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.

A289430 Sum of factorial-Catalan numbers over a certain family of decorations.

Original entry on oeis.org

1, 3, 18, 135, 1134, 10287, 99306, 1014039, 10933542
Offset: 0

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Author

N. J. A. Sloane, Jul 06 2017

Keywords

Comments

The precise definition involves the use of certain symbols akin to the peace symbol.

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