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.

A130649 Generalized ballot transform of generalized Catalan numbers C(2;n)=A064062(n).

Table of values

n a(n)
0 1
1 2
2 8
3 42
4 260
5 1796
6 13372
7 104922
8 854964
9 7165500

List of values

[1, 2, 8, 42, 260, 1796, 13372, 104922, 854964, 7165500]

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

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