A261351 - OEIS

A261351

Inverse permutation to A084385.

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

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OFFSET

1,2

COMMENTS

-4 <= a(n) - A084385(n) <= 3;

for n > 4: a(n) != A084385(n);

for n > 7: a(n) >= A084385(n) - 3.

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)