A131397 Positions of negative integers in A131394, minus 1.

3, 6, 7, 9, 12, 14, 15, 18, 20, 22, 23, 26, 28, 29, 32, 33, 36, 38, 40, 42, 44, 45, 47, 50, 52, 54, 55, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 79, 81, 83, 85, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 109, 110, 113, 115, 116, 118, 120, 122, 124, 126, 128, 130, 132

Offset

1,1

Comments

If A131394 is a permutation of the integers, as conjectured, then A131397 is the complement of A131396.

Links

Table of n, a(n) for n = 1..65

Formula

a(n) = position of n-th negative integer in A131394, minus 1.

Example

The 5th negative integer to occur in A131394 is -5, which occurs at position 13, so that a(5) = 13 - 1 = 12.

Crossrefs

Cf. A131388, A131389, A131390, A131391, A131392, A131393, A131394, A131395, A131396.

Sequence in context: A284879 A208327 A131392 * A176409 A376088 A284473

Adjacent sequences: A131394 A131395 A131396 * A131398 A131399 A131400

Keyword

nonn

Author

Clark Kimberling, Jul 06 2007

Status

approved