A245234 Inverse of A238880.

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

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