first growing sequences

kohmoto zbi74583 at boat.zero.ad.jp
Fri Feb 17 05:14:12 CET 2006


    The method which made A112237 and A112866 also generates two sequences 
which grow rapidly.
    They don't exist on OEIS.

    Yasutoshi

    %I A000001
    %S A000001 1, 2, 4, 16, 256, 16777216, 2^280, 2^16777496
    %N A000001  b(n)=2^(b(n-2)+log_{2}(b(n-1))), b(0)=1, b(1)=2

    %Y A000001 A112237, A112866
    %K A000001 none
    %O A000001 1,2
    %A A000001 Yasutsohi Kohmoto   zbi74583 at boat.zero.ad,jp


    %I A000002
    %S A000002 1, 2, 4, 32, 17179869184,
    %N A000002  b(n)=2^(log_{2}(b(n-2))+b(n-1)), b(0)=1, b(1)=2

    %Y A000002 A112237, A112866
    %K A000002 none
    %O A000002 1,2
    %A A000002 Yasutsohi Kohmoto   zbi74583 at boat.zero.ad,jp
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