A018221 Row 2 of A018219, i.e., (2,n,a_n) is a winning position.

1, 0, 6, 8, 10, 12, 2, 7, 3, 11, 4, 9, 5, 16, 24, 23, 13, 26, 29, 34, 32, 35, 40, 15, 14, 38, 17, 47, 44, 18, 53, 48, 20, 52, 19, 21, 57, 65, 25, 61, 22, 66, 69, 67, 28, 71, 78, 27, 31, 79, 84, 82, 33, 30, 83, 90, 89, 36, 99, 95, 97, 39, 100, 103, 107, 37, 41, 43, 110, 42

Offset

0,3

Comments

Self-inverse when considered as a permutation or function, i.e., a(a(n)) = n.

Links

Table of n, a(n) for n=0..69.

Index entries for sequences that are permutations of the natural numbers

Crossrefs

Sequence in context: A138890 A189082 A171562 * A071278 A079772 A080731

Adjacent sequences: A018218 A018219 A018220 * A018222 A018223 A018224

Keyword

nonn

Author

Michael Kleber

Extensions

Edited and extended by Christian G. Bower, Oct 29 2002

Status

approved