A112990 Inverse of A089088.

1, 2, 5, 3, 9, 4, 12, 6, 7, 8, 19, 10, 23, 11, 13, 14, 30, 15, 34, 16, 17, 18, 41, 20, 21, 22, 24, 25, 52, 26, 55, 27, 28, 29, 31, 32, 65, 33, 35, 36, 73, 37, 77, 38, 39, 40, 85, 42, 43, 44, 45, 46, 95, 47, 48, 49, 50, 51, 105, 53, 110, 54, 56, 57, 58, 59, 121, 60, 61, 62, 128

Offset

1,2

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

Index entries for sequences that are permutations of the natural numbers

Prog

(Haskell)
import Data.List (elemIndex)
import Data.Maybe (fromJust)
a112990 = (+ 1) . fromJust . (`elemIndex` a089088_list)
-- Reinhard Zumkeller, Feb 27 2013

Crossrefs

Cf. A112978.

Sequence in context: A397942 A117534 A256628 * A169848 A026201 A026219

Adjacent sequences: A112987 A112988 A112989 * A112991 A112992 A112993

Keyword

nonn

Author

Reinhard Zumkeller, Oct 08 2005

Status

approved