A129262 - OEIS

%I #15 Jul 07 2024 17:27:45

%S 1,2,1,3,2,1,5,4,3,1,9,8,6,4,1,16,15,11,10,5,1,27,26,21,20,15,6,1,44,

%T 43,42,36,35,21,7,1,73,72,84,64,70,56,28,8,1,130,129,162,120,127,126,

%U 84,36,9,1,251,250,297,240,220,252,210,120,45,10,1,507,506,518,495,385,463,462,330,165,55,11,1

%N Triangle read by rows, A007318 * A115361.

%C Row sums give A106461.

%C Left column is A119968.

%C A128807 = A115361 * A007318.

%F Binomial transform of A115361.

%e First few rows of the triangle:

%e   1;

%e   2,  1;

%e   3,  2,  1;

%e   5,  4,  3,  1;

%e   9,  8,  6,  4,  1;

%e  16, 15, 11, 10,  5,  1;

%e  27, 26, 21, 20, 15,  6,  1;

%e  44, 43, 42, 36, 35, 21,  7,  1;

%e   ...

%Y Cf. A007318, A115361, A106461, A119968, A128807.

%K nonn,tabl

%O 1,2

%A _Gary W. Adamson_, Apr 06 2007

%E Terms a(23) and following corrected by _Georg Fischer_, Jul 04 2023