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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.

A211610 a(n) = Sum_{k=1..n-1} binomial (2*k, k)^n.

Table of values

n a(n)
2 4
3 224
4 161312
5 1683907808
6 256213978094784
7 575112148876911852416
8 19248204431728945392010740480
9 9687459136669902998216039379883774976
10 73815961078227084527800998811241905249902260224
11 8562177846610881578580018959490439733543225146878872883200

List of values

[4, 224, 161312, 1683907808, 256213978094784, 575112148876911852416, 19248204431728945392010740480, 9687459136669902998216039379883774976, 73815961078227084527800998811241905249902260224, 8562177846610881578580018959490439733543225146878872883200]

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

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