A018220 Row 1 of A018219, i.e., (1, n, a_n) is a winning position.

2, 4, 0, 3, 1, 6, 5, 12, 15, 17, 14, 20, 7, 19, 10, 8, 28, 9, 31, 13, 11, 32, 38, 33, 41, 43, 40, 42, 16, 49, 51, 18, 21, 23, 53, 59, 61, 63, 22, 66, 26, 24, 27, 25, 67, 75, 68, 78, 76, 29, 79, 30, 85, 34, 88, 87, 93, 95, 97, 35, 100, 36, 98, 37, 99, 106, 39, 44, 46, 111, 114

Offset: 0

Author

Michael Kleber

Keywords

• nonn

Comments

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

Links

• Index entries for sequences that are permutations of the natural numbers

Extensions

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