[seqfan] Re: A175436_7: "more" or "less"

Joerg Arndt arndt at jjj.de
Thu May 13 17:40:35 CEST 2010


Not sure, but A169784 et.al. should have OGFs:

? \r eta.gpi
? T(q)=Theta3(q,100)
? q='q+O('q^120)
q + O(q^120)
? T(q)^2*T(q^5)
? Vec(T(q)^2*T(q^5))
[1, 4, 4, 0, 4, 10, 8, 8, 4, 12, 24, 0, 0, 16, 8, 16, 4, 8, 20, 0, 10, ...]

In general, for  x^2+y^2+k*z^2 the OGF is T(q)^2*T(q^k)

... unless I made a mistake  ;-)


* zak seidov <zakseidov at yahoo.com> [May 13. 2010 17:05]:
> Just submitted:
> "more" or "less"?!
> Zak
> 
> %I A175436
> %S A175436 1,4,10,12,24,44,50,80,96,120,144,160,192,200,240,280,320,336,352,400
> %N A175436 Records in A169784. 
> %Y A175436 Cf. A169784, A175437. 
> %K A175436 more,nonn
> %O A175436 1,2
> %A A175436 Zak Seidov (zakseidov(AT)yahoo.com), May 13 2010
> 
> %I A175437
> %S A175437 1,2,6,10,11,26,46,71,86,131,191,206,311,371,446,506,731,866,926,971
> %N A175437 Where records occur in A169784. 
> %Y A175437 Cf. A169784, A175436. 
> %K A175437 more,nonn
> %O A175437 1,2
> %A A175437 Zak Seidov (zakseidov(AT)yahoo.com), May 13 2010
> 
> 
>       
> 
> 
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> 
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