A355557 a(n) is the smallest position in the subtract-a-prime game for which the value of the Sprague-Grundy function (or nim-value) is n.

0, 2, 4, 6, 8, 19, 21, 23, 43, 48, 67, 156

Offset

0,2

Comments

a(12) > 32452842 (if it exists). See A014589.

a(12) > 10^9 if it exists. - Bert Dobbelaere, Apr 09 2024

Links

Table of n, a(n) for n=0..11.

Example

a(5) = 19, because the smallest k for which A014589(k) = 5 is k = 19.

Crossrefs

Cf. A014589, A019307, A297963, A355556.

Sequence in context: A104001 A048784 A152491 * A329738 A133296 A323333

Adjacent sequences: A355554 A355555 A355556 * A355558 A355559 A355560

Keyword

nonn,more

Author

Pontus von Brömssen, Jul 09 2022

Status

approved