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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.

A119552 Binomial(binomial(2*n,n)*n,n).

Table of values

n a(n)
0 1
1 2
2 66
3 34220
4 250654530
5 26255517781752
6 40219012695854521452
7 915602638690858051785326904
8 313119156483427472599890586326722370
9 1620758891081732168210880572699959520551984700

List of values

[1, 2, 66, 34220, 250654530, 26255517781752, 40219012695854521452, 915602638690858051785326904, 313119156483427472599890586326722370, 1620758891081732168210880572699959520551984700]

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

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