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.

A290786 a(n) = n-th Carlitz-Riordan q-Catalan number (recurrence version) for q = -n.

Table of values

n a(n)
0 1
1 1
2 -1
3 -23
4 3429
5 8425506
6 -412878084725
7 -497641562809372379
8 17436260499054618815283977
9 20503694883570579788445502041773422
10 -917439693541287252616828116888122637934368489
11 -1746281566732870051764961051797990328294109372786185933382

List of values

[1, 1, -1, -23, 3429, 8425506, -412878084725, -497641562809372379, 17436260499054618815283977, 20503694883570579788445502041773422, -917439693541287252616828116888122637934368489, -1746281566732870051764961051797990328294109372786185933382]

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

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