A019509 Nim-values for the impartial game Take-a-Triangle.

0, 1, 0, 1, 0, 1, 2, 3, 2, 0, 1, 0, 1, 0, 1, 2, 3, 2, 0, 1, 0, 1, 0, 1, 2, 3, 2, 0, 1, 0, 1, 0, 1, 2, 3, 2, 3, 2, 3, 4, 5, 4, 5, 4, 5, 3, 2, 3, 4, 5, 4, 0, 1, 0, 1, 2, 3, 2, 3, 2, 0, 1, 0, 1, 2, 3, 2, 3, 2, 0, 1, 0, 1, 4, 5, 2, 3, 2, 3, 5, 4, 5, 4, 5, 6, 0, 1, 3, 5, 4, 5, 4, 5, 6, 0, 1, 3, 6, 7

Offset

0,7

References

R. K. Guy, Unsolved Problems in Number Theory, E26.

Links

Table of n, a(n) for n=0..98.

Crossrefs

Sequence in context: A259572 A027413 A343230 * A071484 A372706 A100219

Adjacent sequences: A019506 A019507 A019508 * A019510 A019511 A019512

Keyword

nonn

Author

Allan C. Wechsler

Status

approved