A235670 Square array read by antidiagonals upwards in which the n-th column gives the partial sums of the n-th column of A211970.
1, 2, 1, 4, 2, 1, 8, 4, 2, 1, 14, 7, 3, 2, 1, 24, 12, 5, 3, 2, 1, 40, 19, 8, 4, 3, 2, 1, 64, 30, 12, 6, 4, 3, 2, 1, 100, 45, 17, 9, 5, 4, 3, 2, 1, 154, 67, 24, 13, 7, 5, 4, 3, 2, 1, 232, 97, 34, 17, 10, 8, 6, 5, 4, 3, 2, 1, 344, 139, 47, 22, 14, 8, 6, 5, 4, 3, 2, 1
Offset: 0
Examples
Array begins: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,... 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,... 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3,... 8, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4,... 14, 12, 8, 6, 5, 5, 5, 5, 5, 5, 5,... 24, 19, 12, 9, 7, 6, 6, 6, 6, 6, 6,... 40, 30, 17, 13, 10, 8, 7, 7, 7, 7, 7,... 64, 45, 24, 17, 14, 11, 9, 8, 8, 8, 8,... 100, 67, 34, 22, 18, 15, 12, 10, 9, 9, 9,... 154, 97, 47, 29, 22, 19, 16, 13, 11, 10, 10,... 232, 139, 63, 39, 27, 23, 20, 17, 14, 12, 11,... 344, 195, 84, 51, 34, 27, 24, 21, 18, 15, 13,... 504, 272, 112, 65, 44, 32, 28, 25, 22, 19, 16,... 728, 383, 147, 81, 56, 39, 32, 29, 26, 23, 20,... ...
Crossrefs
Formula
T(n,k) = Sum_{j=0..n} A211970(j,k), (n>=0, k>=0).
Comments