A073295 Permutation A069768 applied four times or permutation A073291 applied twice.

0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 9, 11, 13, 12, 14, 15, 16, 18, 17, 19, 20, 22, 21, 27, 26, 25, 23, 24, 29, 28, 33, 36, 35, 30, 34, 31, 32, 38, 37, 39, 41, 40, 42, 43, 47, 50, 49, 44, 48, 45, 46, 51, 52, 53, 55, 54, 60, 61, 64, 63, 56, 57, 62, 58, 59, 78, 77, 76, 73, 74, 75, 72

Offset: 0

Author

Antti Karttunen, Jun 25 2002

Keywords

• nonn

Links

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

Crossrefs

Inverse permutation: A073294. Cf. A073290-A073299.

Formula

a(n) = A069768(A069768(A069768(A069768(n)))) = A073291(A073291(n)).