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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.

A324567 a(n) = Product_{i=0..n, j=0..n} (binomial(2*i, j) + binomial(2*j, i)).

Table of values

n a(n)
0 2
1 8
2 2400
3 1247616000
4 47391629172572160000
5 5433273487668074503912921497600000000
6 84476763043100284572577776893541858819157327099409203200000000

List of values

[2, 8, 2400, 1247616000, 47391629172572160000, 5433273487668074503912921497600000000, 84476763043100284572577776893541858819157327099409203200000000]

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

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