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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A124222 Triangular array read by rows, with shape sequence A002865, generated from A123682.

Original entry on oeis.org

1, 1, 3, 5, 0, 9, 2, 13, 7, 1, 0, 19, 18, 4, 2, 25, 36, 12, 10, 0, 2, 0, 33, 64, 26, 32, 2, 11, 2, 1, 41, 103, 49, 78, 7, 40, 13, 6, 1, 0, 3, 0
Offset: 1

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Author

Alford Arnold, Oct 19 2006

Keywords

Comments

The shape sequence for A124222 is essentially A002865 since its columns are based on source partitions (1,22,33,222,44,332,2222,333,...). The row sum sequence for A124222 is essentially A001045.

Examples

			The array begins
1
1
3
5 0
9 2
13 7 1 0
19 18 4 2
25 36 12 10 0 2 0
33 64 26 32 2 11 2 1
41 103 49 78 7 40 13 6 1 0 3 0

Crossrefs

Cf. A001045 (row sums), A002865, A099392, A123682, A123683.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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