A341417 Row sums of triangle A339885.

1, 2, 2, 3, 2, 3, 1, 2, 0, 2, 0, 4, 2, 7, 5, 10, 6, 11, 5, 10, 3, 10, 3, 13, 6, 19, 11, 25, 14, 29, 14, 30, 12, 31, 12, 36, 16, 45, 23, 56, 30, 65, 33, 71, 34, 76, 35, 84, 40, 97, 48, 113, 58, 129, 66, 144, 71, 157, 76, 172, 83, 192

Offset

1,2

Links

Table of n, a(n) for n=1..62.

Formula

a(n) = Sum_{m=1..n} A339885(n, m), for n >= 1.

G.f.: 1/Product_{j>=1} (1 - (A057077(j-1)*x)^(A001318(n)) - 1.

Crossrefs

Cf. A001318, A057077, A339885.

Sequence in context: A279632 A363680 A300817 * A230140 A156220 A261653

Adjacent sequences: A341414 A341415 A341416 * A341418 A341419 A341420

Keyword

nonn,easy

Author

Wolfdieter Lang, Feb 15 2021

Status

approved