|
%I #9 May 31 2023 20:53:01
%S 1,2,2,5,7,3,14,19,19,4,42,51,71,41,5,132,146,216,216,76,6,429,449,
%T 617,827,547,127,7,1430,1457,1793,2675,2675,1205,197,8,4862,4897,5497,
%U 8017,10369,7429,2389,289,9,16796,16840,17830,23770,34858,34858,18226,4366,406,10
%N Triangle read by rows: A001263 * A128064 * A000012 as infinite lower triangular matrices.
%C Row sums = A001791: (1, 4, 15, 56, 210, 792, ...).
%C Left column = A000108 starting (1, 2, 5, 14, 42, 132, 429, ...).
%e First few rows of the triangle:
%e 1;
%e 2, 2;
%e 5, 7, 3;
%e 14, 19, 19, 4;
%e 42, 51, 71, 41, 5;
%e 132, 146, 216, 216, 76, 6;
%e 429, 449, 617, 827, 547, 127, 7;
%e ...
%Y Cf. A000108, A001263, A001791, A128064.
%K nonn,tabl
%O 1,2
%A _Gary W. Adamson_, Jan 04 2008
%E a(46) = 16796 corrected and two more terms from _Georg Fischer_, May 31 2023
|
