A143054 A143052(A143052(n)).

0, 1, 4, 2, 3, 7, 8, 9, 5, 6, 12, 13, 14, 15, 16, 10, 11, 19, 20, 21, 22, 23, 24, 25, 17, 18, 28, 29, 30, 31, 32, 33, 34, 35, 36, 26, 27, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 37, 38, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 50, 51, 67, 68, 69, 70, 71, 72, 73, 74

Offset: 0

Author

Reinhard Zumkeller, Jul 20 2008

Keywords

• nonn

Comments

Permutation of the natural numbers, inverse: A143053;

For n>1: a(A008865(n))=A000290(n),

a(A000290(n))=A000290(n)-A005408(n-2).

Links

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