A249920 Inverse permutation to A055266.

1, 5, 2, 4, 3, 6, 8, 7, 9, 11, 10, 12, 13, 14, 17, 15, 16, 18, 20, 19, 21, 23, 22, 24, 25, 26, 28, 27, 29, 32, 30, 31, 33, 35, 34, 36, 38, 37, 39, 41, 40, 42, 43, 44, 46, 45, 47, 48, 50, 49, 51, 53, 52, 54, 56, 55, 57, 58, 59, 60, 61, 62, 63, 65, 64, 66, 67

Offset

1,2

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Index entries for sequences that are permutations of the natural numbers

Prog

(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a249920 = (+ 1) . fromJust . (`elemIndex` a055266_list)

Crossrefs

Cf. A055266, A249918.

Sequence in context: A368690 A083241 A111145 * A380200 A380815 A379342

Adjacent sequences: A249917 A249918 A249919 * A249921 A249922 A249923

Keyword

nonn

Author

Reinhard Zumkeller, Jan 14 2015

Status

approved