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.

A132284 Interspersion associated with A132283, by antidiagonals.

Original entry on oeis.org

1, 2, 3, 4, 6, 5, 7, 9, 8, 10, 11, 14, 12, 15, 13, 16, 20, 18, 21, 19, 17, 22, 26, 24, 28, 25, 23, 27, 29, 34, 31, 36, 33, 30, 35, 32, 37, 42, 39, 44, 41, 38, 43, 40, 45
Offset: 1

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Author

Clark Kimberling, Aug 16 2007

Keywords

Comments

The n-th diagonal is a permutation of n consecutive integers. Every positive integer occurs exactly once, so that as a sequence, A132284 is a permutation of the positive integers.

Examples

			Northwest corner:
1 2 4 7 11
3 6 9 14 20
5 8 12 18 24
10 15 21 28 36
		

References

  • C. Kimberling, Proper self-containing sequences, fractal sequences and para-sequences, preprint, 2007.

Crossrefs

Cf. A132283.

Formula

T(i,j)=position in A132283 of j-th occurrence of i.