A134195 Antidiagonal sums of square array A126885.

1, 3, 7, 15, 32, 72, 178, 494, 1543, 5373, 20581, 85653, 383494, 1833250, 9301792, 49857540, 281193501, 1663183383, 10286884195, 66365330811, 445598473612, 3107611606908, 22470529228910, 168190079241210, 1301213084182483, 10391369994732593, 85553299734530113

Offset: 0

Author

Gary W. Adamson, Oct 12 2007

Keywords

• nonn
• easy

Comments

Conjecture: partial sums of A104879. - Sean A. Irvine, Jul 14 2022

Examples

			a(4) = 1 + 5 + 11 + 10 + 5 = 32.
		

Crossrefs

Cf. A126885.

Programs

Maxima

T(n, k) := if k = 1 then 1 else n*T(n, k - 1) + k$ /* A126885 */
a(n) := sum(T(n - k + 1, k), k, 1, n + 1)$
makelist(a(n), n, 0, 50); /* Franck Maminirina Ramaharo, Jan 26 2019 */