A289431 Sum of factorial-Catalan numbers over a certain family of decorations.
1, 2, 8, 40, 224, 1360, 8864, 61984, 467072
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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