A186022 Diagonal sums of number triangle A186020.

1, 1, 3, 6, 19, 62, 239, 1013, 4723, 23870, 129779, 753784, 4651285, 30349577, 208575027, 1504582526, 11358446495, 89501837358, 734420232291, 6262593615501, 55392254339667, 507335283474158, 4804245661175599, 46971060027956608, 473534995965134505, 4916730522706507665

Offset

0,3

Links

Table of n, a(n) for n=0..25.

Crossrefs

Sequence in context: A345244 A052393 A024607 * A058818 A184937 A215817

Adjacent sequences: A186019 A186020 A186021 * A186023 A186024 A186025

Keyword

nonn

Author

Paul Barry, Feb 10 2011

Status

approved