A136537 Triangle read by rows: A007318^(-1) * A136536.
1, 1, 2, 2, 3, 3, 4, 4, 10, 4, 9, 9, 13, 25, 5, 21, 21, 21, 51, 51, 6, 51, 51, 51, 66, 166, 91, 7, 127, 127, 127, 127, 267, 442, 148, 8, 323, 323, 323, 323, 379, 1009, 1009, 225, 9, 835, 835, 835, 835, 835, 1465, 3229, 2053, 325, 10, 2188, 2188, 2188, 2188, 2188, 2398, 5926, 8866, 3826, 451, 11, 5798, 5798, 5798, 5798, 5798, 5798, 8570, 21506, 21506, 6656, 606, 12
Offset: 1
Examples
First few rows of the triangle: 1; 1, 2; 2, 3, 3; 4, 4, 10, 4; 9, 9, 13, 25, 5; 21, 21, 21, 51, 51, 6; 51, 51, 51, 66, 166, 91, 7; ...
Formula
Inverse binomial transform of A136536.
Extensions
a(38) = 323 corrected and more terms from Georg Fischer, Jun 07 2023
Comments