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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A088657 Except for initial 0, same as A005213.

Original entry on oeis.org

0, 0, 1, 1, 3, 2, 7, 6, 19, 16, 51, 45, 141, 126, 393, 357, 1107, 1016, 3139, 2907, 8953
Offset: 0

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Author

Keywords

A108149 Triangle T(n,k), 0<=k<=n, read by rows, defined by: T(0,0)=1,T(n,k)= 0 if n

Original entry on oeis.org

1, -1, 1, 0, 0, 1, 0, 1, -1, 1, 1, 0, 1, 0, 1, -1, 2, -1, 2, -1, 1, 1, 0, 3, 0, 2, 0, 1, -1, 4, -3, 5, -2, 3, -1, 1, 3, 0, 6, 0, 6, 0, 3, 0, 1, -3, 9, -6, 12, -6, 9, -3, 4, -1, 1, 6, 0, 15, 0, 15, 0, 10, 0, 4, 0, 1, -6, 21, -15, 30, -15, 25, -10, 14, -4, 5, -1, 1, 15, 0, 36, 0, 40, 0, 29, 0, 15, 0, 5, 0, 1, -15, 51, -36, 76, -40, 69, -29, 44, -15, 20, -5
Offset: 0

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Author

Gerald McGarvey, Jun 05 2005

Keywords

Comments

The n-th row sum = A005213(n).

Crossrefs

Cf. A005213.
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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