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

Author

Pontus von Brömssen, Jul 09 2022

Keywords

• nonn
• more

Examples

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

Links

• Rémy Sigrist, C program

Crossrefs

Cf. A014587, A019307, A297963, A355557.

Programs

C

See Links section.

Extensions

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