cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A131397 Positions of negative integers in A131394, minus 1.

Original entry on oeis.org

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

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Author

Clark Kimberling, Jul 06 2007

Keywords

Comments

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

Examples

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

Crossrefs

Formula

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