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A245234 Inverse of A238880. 2
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 28, 45, 47, 49, 51, 53, 55, 57, 59, 61, 30, 48, 63, 65, 67, 69, 71, 73, 75, 77, 32, 50, 66, 79, 81, 83, 85, 87, 89, 91, 34, 52, 68, 82, 93 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

A238880(a(n)) = n; for n > 1: a(A238880(n)).

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

PROG

(Haskell)

import Data.List (elemIndex); import Data.Maybe (fromJust)

a245234 = (+ 1) . fromJust . (`elemIndex` a238880_list)

CROSSREFS

Sequence in context: A249123 A094042 A248196 * A160144 A237292 A098729

Adjacent sequences:  A245231 A245232 A245233 * A245235 A245236 A245237

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jul 14 2014

STATUS

approved

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Last modified January 23 19:45 EST 2020. Contains 331175 sequences. (Running on oeis4.)