A387139 Row sums of A387138.

1, 2, 8, 48, 192, 1920, 23040, 322560, 1290240, 7741440, 154828800, 3406233600, 40874803200, 1062744883200, 29756856729600, 892705701888000, 3570822807552000, 121407975456768000, 1456895705481216000, 55362036808286208000, 1107240736165724160000

Offset

0,2

Links

Table of n, a(n) for n=0..20.

Maple

seq(add(binomial(n, k) * mul(NumberTheory:-Radical(j), j = 1..n), k = 0..n), n = 0..20);

Crossrefs

Cf. A387138.

Sequence in context: A228288 A392046 A356346 * A292277 A173841 A004141

Adjacent sequences: A387136 A387137 A387138 * A387140 A387141 A387142

Keyword

nonn

Author

Peter Luschny, Aug 18 2025

Status

approved