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A137594 Triangle read by rows: A007318 * A136717. 2

%I #8 Apr 01 2022 21:36:13

%S 1,1,2,1,6,4,1,12,24,12,1,20,72,120,48,1,30,160,552,696,192,1,42,300,

%T 1752,4416,4272,960,1,56,504,4452,17976,36672,30480,5760,1,72,784,

%U 9744,55776,195312,350880,229680,34560

%N Triangle read by rows: A007318 * A136717.

%C Row sums = A001339: (1, 3, 11, 49, 261, ...).

%F Binomial transform of A136717.

%e First few rows of the triangle:

%e 1;

%e 1, 2;

%e 1, 6, 4;

%e 1, 12, 24, 12;

%e 1, 20, 72, 120, 48;

%e 1, 30, 160, 552, 696, 192;

%e 1, 42, 300, 1752, 4416, 4272, 960;

%e ...

%Y Cf. A136717, A001339.

%K nonn,tabl

%O 0,3

%A _Gary W. Adamson_, Jan 28 2008

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)