A362307 Row sums of A362370.

1, 1, 1, 2, 2, 4, 4, 6, 8, 11, 15, 19, 23, 32, 37, 48, 58, 74, 88, 108, 132, 158, 190, 228, 273, 326, 384, 456, 538, 632, 740, 868, 1015, 1181, 1376, 1598, 1850, 2142, 2473, 2851, 3280, 3770, 4327, 4957, 5674, 6484, 7399, 8433, 9599, 10916, 12395

Offset

0,4

Links

Table of n, a(n) for n=0..50.

Formula

a(n) = Sum_{k=0..n} floor(binomial(n - 1, k - 1) / k!).

Maple

T := (n, k) -> iquo(binomial(n - 1, k - 1), k!):
seq(add(T(n, k), k = 0..n), n = 0..50);

Crossrefs

Cf. A362370.

Sequence in context: A295261 A293627 A264393 * A094858 A327851 A029940

Adjacent sequences: A362304 A362305 A362306 * A362308 A362309 A362310

Keyword

nonn

Author

Peter Luschny, Apr 17 2023

Status

approved