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A266192
a(n) = index of n in A266191 or 0 if n is not present in that sequence.
2
1, 2, 3, 5, 14, 4, 6, 8, 23, 17, 9, 7, 89, 16, 10, 11, 29, 26, 25, 20, 41, 12, 43, 13, 287, 92, 27, 19, 134, 37, 22, 38, 35, 32, 45, 53, 77, 28, 15, 56, 59, 44, 39, 33, 128, 46, 31, 40, 329, 290, 34, 95, 122, 30, 52, 67, 119, 137, 18, 60, 188, 64, 24, 71, 98, 86, 21, 401, 233, 48, 51, 83, 80, 437, 54, 69, 257, 72, 133, 62, 1115, 146, 166, 47, 374, 42
OFFSET
1,2
COMMENTS
If A266191 is really a permutation of natural numbers, then this sequence is also, and no hypothetical zero-values are ever needed.
PROG
(Scheme, with code for A266191 defined with defineperm1-macro also required)
(define (A266192 n) (A266191 (- n))) ;; This returns inverse values of A266191 from its hidden cache.
CROSSREFS
Inverse: A266191.
Sequence in context: A173654 A370850 A126333 * A233082 A039575 A291923
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, Dec 23 2015
STATUS
approved