A102398 - OEIS

A102398

A permutation of the positive integers where a(2n-1) is smallest positive integer not previously in the sequence, a(2n) is A102399(n)th smallest positive integer not yet in the sequence, where sequence A102399 is this sequence's inverse permutation.

1, 2, 3, 5, 4, 8, 6, 12, 7, 13, 9, 18, 10, 22, 11, 20, 14, 28, 15, 32, 16, 36, 17, 29, 19, 34, 21, 44, 23, 48, 24, 52, 25, 56, 26, 43, 27, 62, 30, 53, 31, 68, 33, 54, 35, 74, 37, 78, 38, 82, 39, 86, 40, 90, 41, 67, 42, 77, 45, 98, 46, 102, 47, 76, 49, 108, 50, 89, 51, 114, 55

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..71.

CROSSREFS

Cf. A102399.

Sequence in context: A126917 A250471 A086496 * A118317 A127522 A254103

Adjacent sequences: A102395 A102396 A102397 * A102399 A102400 A102401

KEYWORD

less,nonn

AUTHOR

Leroy Quet, Jan 06 2005

EXTENSIONS

More terms from David Wasserman, Apr 03 2008

STATUS

approved