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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A048118 a(n)=T(2n+1,n+1), where T is given by A048113.

Original entry on oeis.org

0, 1, 2, 6, 18, 60, 204, 720, 2580, 9408, 34668, 129024, 483672, 1824768, 6919752, 26357976, 100778472, 386591304, 1487221056, 5735785176, 22170562656, 85866332760, 333151068528, 1294658562912, 5038469947992, 19634243736168
Offset: 0

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Author

Clark Kimberling

Keywords

Comments

Apparently A048117 shifted once right. - R. J. Mathar, Jul 13 2025
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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