Two sequences with sod: more terms?

zak seidov zakseidov at yahoo.com
Sun Feb 10 14:51:52 CET 2008


Anyone may wish to add more terms?
thanks, zak

%I A000001
%S A000001
8,19,35,46,55,71,145,152,179,251,332,361,449,451,548,649,4499,20249,20251,24499,100549,114499,316261
%N A000001 Numbers n such that sod(n^2}=10. Multiples
of 10 are omitted.
%e A000001 Corresponding squares are:
64,361,1225,2116,3025,5041,21025,23104,32041,63001,110224,130321,201601,203401,300304,421201,20241001,410022001,410103001,600201001,10110101401,13110021001,100021020121
%O A000001 1
%K A000001 ,base,more,nonn,
%A A000001 Zak Seidov (zakseidov(AT)yahoo.com), Feb 10
2008


%I A000001
%S A000001 19,46,55,145,361,451,20251
%N A000001 Numbers n such that n and n^2 have the same
sod=10. Multiples of 10 are omitted.
%e A000001 Corresponding squares are:
361,2116,3025,21025,130321,203401,410103001
%O A000001 1
%K A000001 ,base,more,nonn,
%A A000001 Zak Seidov (zakseidov(AT)yahoo.com), Feb 10
2008




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zs> From seqfan-owner at ext.jussieu.fr  Sun Feb 10 14:52:04 2008
zs> Date: Sun, 10 Feb 2008 05:51:52 -0800 (PST)
zs> From: zak seidov <zakseidov at yahoo.com>
zs> Subject: Two sequences with sod:  more terms?
zs> To: njas at research.att.com, seqfan at ext.jussieu.fr
zs> 
zs> Anyone may wish to add more terms?
zs> thanks, zak
zs> 
zs> %I A000001
zs> %S A000001
zs> 8,19,35,46,55,71,145,152,179,251,332,361,449,451,548,649,4499,20249,20251,24499,100549,114499,316261
zs> %N A000001 Numbers n such that sod(n^2}=10. Multiples
zs> of 10 are omitted.
zs> %e A000001 Corresponding squares are:
zs> 64,361,1225,2116,3025,5041,21025,23104,32041,63001,110224,130321,201601,203401,300304,421201,20241001,410022001,410103001,600201001,10110101401,13110021001,100021020121
zs> %O A000001 1
zs> %K A000001 ,base,more,nonn,
zs> %A A000001 Zak Seidov (zakseidov(AT)yahoo.com), Feb 10
zs> 2008

No further term up to 1.8*10^8 .

zs> 
zs> 
zs> %I A000001
zs> %S A000001 19,46,55,145,361,451,20251
zs> %N A000001 Numbers n such that n and n^2 have the same
zs> sod=10. Multiples of 10 are omitted.
zs> %e A000001 Corresponding squares are:
zs> 361,2116,3025,21025,130321,203401,410103001
zs> %O A000001 1
zs> %K A000001 ,base,more,nonn,
zs> %A A000001 Zak Seidov (zakseidov(AT)yahoo.com), Feb 10
zs> 2008

One might add that both are sub-sequences of A056020, so A010878(n) = 1 or 8.





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