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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.

A336622 a(n) = Sum_{k=0..n} Sum_{i=0..k} Sum_{j=0..i} (binomial(n,k) * binomial(k,i) * binomial(i,j))^n.

Table of values

n a(n)
0 1
1 4
2 28
3 1192
4 591460
5 3441637504
6 219272057247376
7 185528149944660881488
8 2405748000504972140803769860
9 349789137657321307953339196885516144
10 652520795984468974632890750361094911319873648

List of values

[1, 4, 28, 1192, 591460, 3441637504, 219272057247376, 185528149944660881488, 2405748000504972140803769860, 349789137657321307953339196885516144, 652520795984468974632890750361094911319873648]

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

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