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.

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A380181 Distinct nonpositive values of A380180, negated, in order of appearance and with offset 0.

Original entry on oeis.org

0, 1, 4, 3, 2, 13, 12, 10, 9, 11, 8, 7, 6, 5, 40, 39, 37, 36, 31, 30, 28, 27, 38, 35, 29, 26, 34, 33, 25, 24, 32, 23, 22, 21, 19, 18, 20, 17, 16, 15, 14, 121, 120, 118, 117, 112, 111, 109, 108, 94, 93, 91, 90, 85, 84, 82, 81, 119, 116, 110, 107, 92, 89, 83, 80
Offset: 0

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Author

Rémy Sigrist, Jan 15 2025

Keywords

Comments

This sequence is a permutation of the nonnegative integers with inverse A380182.

Examples

			Sequence A380180 begins:     0, 0, 1, -1, 0, 2, 3, 0, 3, 0, 1, 3, 4, -4, -3.
The present sequence begins: 0,        1,                             4,  3.
		

Crossrefs

Cf. A380180, A380182 (inverse).

Programs

  • PARI
    \\ See Links section.
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