A355556 a(n) is the smallest position in the subtract-a-factorial game for which the value of the Sprague-Grundy function (or nim-value) is n.

0, 1, 2, 6, 5050, 5056, 5064, 40520, 40696, 630373, 40348521, 483383076, 6302798387

Offset

0,3

Links

Table of n, a(n) for n=0..12.

Rémy Sigrist, C program

Example

a(3) = 6, because the smallest k for which A014587(k) = 3 is k = 6.

Prog

(C) See Links section.

Crossrefs

Cf. A014587, A019307, A297963, A355557.

Sequence in context: A114045 A116899 A357193 * A162146 A231545 A055698

Adjacent sequences: A355553 A355554 A355555 * A355557 A355558 A355559

Keyword

nonn,more

Author

Pontus von Brömssen, Jul 09 2022

Extensions

a(11)-a(12) from Rémy Sigrist, Jul 09 2022

Status

approved