A257683 Inverse permutation to A218252.

1, 2, 3, 4, 6, 5, 7, 8, 11, 9, 12, 10, 14, 13, 15, 16, 19, 17, 20, 18, 23, 21, 24, 22, 27, 25, 29, 28, 30, 26, 31, 32, 35, 33, 36, 34, 39, 37, 40, 38, 44, 41, 46, 45, 47, 42, 48, 43, 52, 49, 54, 53, 55, 50, 58, 56, 59, 51, 61, 57, 62, 60, 63, 64, 67, 65, 68, 66, 71, 69, 72, 70, 76, 73, 78, 77, 79, 74, 80, 75, 84, 81

Offset

1,2

Links

Antti Karttunen, Table of n, a(n) for n = 1..8192

Index entries for sequences that are permutations of the natural numbers

Prog

(Scheme) ;; Requiring also defineperm1-macro from Antti Karttunen's IntSeq-library
;; When A218252 is defined with defineperm1-macro, it will automatically cache also the inverse values, which are then available with negative arguments:
(define (A257683 n) (A218252 (- n)))

Crossrefs

Inverse: A218252.

Sequence in context: A330081 A072759 A361482 * A343152 A267105 A080542

Adjacent sequences: A257680 A257681 A257682 * A257684 A257685 A257686

Keyword

nonn

Author

Antti Karttunen, May 04 2015

Status

approved