A129675 - OEIS

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A129675

Inverse permutation to A129674.

3, 2, 1, 5, 7, 4, 6, 9, 15, 8, 11, 10, 12, 14, 13, 17, 21, 16, 19, 18, 20, 23, 27, 22, 24, 26, 25, 29, 31, 28, 30, 33, 37, 32, 35, 34, 36, 39, 43, 38, 40, 42, 41, 45, 51, 44, 47, 46, 48, 50, 49, 53, 55, 52, 54, 57, 63, 56, 59, 58, 60, 62, 61, 65, 69, 64, 67, 66, 68, 71, 75, 70

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OFFSET

1,1

COMMENTS

The inversion maintains the cyclic characteristics as described in A129674.

LINKS

Ferenc Adorjan, Table of n, a(n) for n = 1..10000

Index entries for sequences that are permutations of the natural numbers

PROG

(PARI) {pinverse(v)= /* Permutation inverse of a positive sequence */

local(n, m, x); n=matsize(v)[2]; x=vector(n);

for(i=1, n, if(v[i]<=n, x[v[i]]=i)); return(x)}