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.

A047139 T(2n,n), array T as in A047130.

Original entry on oeis.org

1, 2, 9, 48, 261, 1534, 9319, 56808, 353362, 2227380, 14099553, 89931668, 577292621, 3718701300, 24047442913, 156059054586, 1015345651345, 6621929417524, 43283675452318, 283439130488986, 1859169844171611
Offset: 0

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Author

Clark Kimberling. Definition revised Dec 08 2006

Keywords

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

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