1,2

It is conjectured that A266117 is not just injective, but also surjective on N, i.e., that it is a true permutation of natural numbers. In that case also this sequence is a true permutation, and no hypothetical zero-values are ever needed.

Antti Karttunen, Table of n, a(n) for n = 1..12634

Index entries for sequences that are permutations of the natural numbers

(Scheme, with code for A266117 defined with defineperm1-macro also required)

(define (A266118 n) (A266117 (- n))) ;; This returns inverse values of A266117 from its hidden cache.

Inverse: A266117 (with provisions, see comment section).

Sequence in context: A337801 A116214 A161389 * A287802 A214207 A302497

Adjacent sequences: A266115 A266116 A266117 * A266119 A266120 A266121

nonn,base

Antti Karttunen, Dec 22 2015

approved