A268826 Permutation of nonnegative integers: a(0) = 0, a(n) = 1 + A268824(A268718(n)-1).

0, 1, 3, 2, 6, 7, 4, 5, 18, 19, 16, 17, 10, 11, 8, 9, 26, 27, 24, 25, 34, 35, 32, 33, 14, 15, 12, 13, 30, 31, 28, 29, 42, 43, 40, 41, 50, 51, 48, 49, 62, 63, 60, 61, 46, 47, 44, 45, 22, 23, 20, 21, 54, 55, 52, 53, 66, 67, 64, 65, 58, 59, 56, 57, 74, 75, 72, 73, 82, 83, 80, 81, 94, 95, 92, 93, 78, 79, 76, 77, 118, 119, 116, 117, 86, 87

Offset

0,3

Comments

The "fourth shifted power" of permutation A268718.

Links

Antti Karttunen, Table of n, a(n) for n = 0..8191

Index entries for sequences that are permutations of the natural numbers

Formula

a(0) = 0, and for n >= 1, a(n) = 1 + A268824(A268718(n)-1).

Prog

(Scheme) (define (A268826 n) (if (zero? n) n (+ 1 (A268824 (+ -1 (A268718 n))))))

Crossrefs

Inverse: A268825.

Cf. A268718, A268824, A268828.

Row 4 of array A268830.

Sequence in context: A371962 A268825 A245812 * A182849 A120231 A083362

Adjacent sequences: A268823 A268824 A268825 * A268827 A268828 A268829

Keyword

nonn

Author

Antti Karttunen, Feb 14 2016

Status

approved