A289430 Sum of factorial-Catalan numbers over a certain family of decorations.
1, 3, 18, 135, 1134, 10287, 99306, 1014039, 10933542
Offset: 0
Links
- Vincent Pilaud, V. Pons, Permutrees, arXiv preprint arXiv:1606.09643 [math.CO], 2016.
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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