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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.

A015086 Carlitz-Riordan q-Catalan numbers (recurrence version) for q=5.

Table of values

n a(n)
0 1
1 1
2 6
3 161
4 20466
5 12833546
6 40130703276
7 627122621447281
8 48995209411107768186
9 19138851672289046707772366
10 37380607950584029444762130426196
11 365045074278810327614287737714877590426
12 17824467247610520516685844671190387550839429556
13 4351676609772600016156555731067955626656370700291086836

List of values

[1, 1, 6, 161, 20466, 12833546, 40130703276, 627122621447281, 48995209411107768186, 19138851672289046707772366, 37380607950584029444762130426196, 365045074278810327614287737714877590426, 17824467247610520516685844671190387550839429556, 4351676609772600016156555731067955626656370700291086836]

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

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