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A249279 Inverse permutation of A249278 (such that first digit of a(n+1) has parity of a(n)). 4
0, 7, 1, 8, 2, 9, 3, 10, 4, 11, 12, 15, 16, 19, 20, 23, 24, 27, 28, 31, 5, 6, 13, 14, 17, 18, 21, 22, 25, 26, 32, 35, 36, 39, 40, 43, 44, 47, 48, 51, 29, 30, 33, 34, 37, 38, 41, 42, 45, 46, 52, 55, 56, 59, 60, 63, 64, 67, 68, 71, 49, 50, 53, 54, 57, 58, 61, 62, 65, 66, 72, 75, 76 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

Index entries for sequences that are permutations of the natural numbers

PROG

(PARI) N=100; vector(N, n, t=0; for(i=1, #A249278, A249278[i]==n-1&&(t=i)&&break); t-1)

(Haskell)

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

a249279 = fromJust . (`elemIndex` a249278_list)

-- Reinhard Zumkeller, Oct 27 2014

CROSSREFS

Sequence in context: A021937 A021586 A091131 * A145963 A199439 A153625

Adjacent sequences:  A249276 A249277 A249278 * A249280 A249281 A249282

KEYWORD

nonn

AUTHOR

M. F. Hasler, Oct 24 2014

STATUS

approved

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Last modified August 20 03:33 EDT 2019. Contains 326139 sequences. (Running on oeis4.)