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A131373 A046854 + A065941 - A000012. 0

%I #2 Mar 30 2012 17:25:22

%S 1,1,1,1,1,1,1,2,2,1,1,2,5,2,1,1,3,6,6,3,1,1,3,10,7,10,3,1,1,4,11,14,

%T 14,11,4,1,1,4,16,15,29,15,16,4,1,1,5,17,26,35,35,26,17,5,1

%N A046854 + A065941 - A000012.

%C Row sums = A131269: (1, 2, 3, 6, 11, 20, 35, 60,...).

%F A046854 + A065941 - A000012 as infinite lower triangular matrices.

%e First few rows of the triangle are:

%e 1;

%e 1, 1;

%e 1, 1, 1;

%e 1, 2, 2, 1;

%e 1, 2, 5, 2, 1;

%e 1, 3, 6, 6, 3, 1;

%e 1, 3, 10, 7, 10, 3, 1;

%e 1, 4, 11, 14, 14, 11, 4, 1;

%e 1, 4, 16, 15, 29, 15, 16, 4, 1;

%e ...

%Y Cf. A056854, A065941, A000012, A131269.

%K nonn,tabl

%O 0,8

%A _Gary W. Adamson_, Jul 03 2007

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Last modified March 29 02:22 EDT 2024. Contains 371264 sequences. (Running on oeis4.)