A267093 a(n) is the number of P-positions for n-modular Nim with 3 piles.

1, 8, 7, 28, 19, 67, 37, 100, 67, 142, 85

Offset

1,2

Links

Table of n, a(n) for n=1..11.

Tanya Khovanova and Karan Sarkar, P-positions in Modular Extensions to Nim, arXiv:1508.07054 [math.CO], 2015.

Formula

a(2n+1) = A130665(2n+1).

Example

P-positions of 2-modular Nim with 3 piles: (0,0,0), (1,1,1) and permutations of (0,1,2). Thus a(2) = 8.

Crossrefs

Cf. A130665, A267092.

Sequence in context: A282471 A309877 A303311 * A090099 A365486 A138809

Adjacent sequences: A267090 A267091 A267092 * A267094 A267095 A267096

Keyword

nonn,more

Author

Tanya Khovanova and Karan Sarkar, Jan 10 2016

Status

approved