A126918 Inverse permutation to sequence A126917.

1, 2, 3, 5, 4, 7, 11, 6, 13, 9, 8, 17, 19, 10, 23, 29, 12, 15, 31, 14, 37, 41, 16, 25, 21, 18, 43, 47, 20, 53, 59, 22, 27, 35, 24, 61, 67, 26, 71, 33, 28, 73, 49, 30, 79, 83, 32, 39, 89, 34, 97, 101, 36, 55, 45, 38, 103, 107, 40, 109, 113, 42, 51, 65, 44, 127, 77, 46, 131, 57

Offset

1,2

Links

Antti Karttunen, Table of n, a(n) for n = 1..10000

Index entries for sequences that are permutations of the natural numbers

Prog

(Scheme, requiring also defineperm1-macro from Antti Karttunen's IntSeq-library)
(define (A126918 n) (A126917 (- n))) ;; When A126917 is defined with defineperm1-macro, it will automatically cache also the inverse values, which are then available with negative arguments.
;; Antti Karttunen, Jun 20 2014

Crossrefs

Cf. A126917, A243069.

Sequence in context: A114461 A065578 A254104 * A250472 A291588 A064620

Adjacent sequences: A126915 A126916 A126917 * A126919 A126920 A126921

Keyword

nonn

Author

Leroy Quet, Dec 31 2006

Extensions

Extended by Ray Chandler, Jan 04 2007

Status

approved