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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.

A346183 a(n) = Sum_{k=0..n} binomial(n,k) * binomial((k+1)^2, n).

Table of values

n a(n)
0 1
1 5
2 48
3 824
4 20690
5 687582
6 28488488
7 1415047216
8 81971972604
9 5426378062364
10 404122795201488
11 33442612446777888
12 3044479614669988040
13 302377373253190949560
14 32537275691504428919040
15 3770760967834168275347072
16 468240057706224000130749072
17 62024410203403175896065018192

List of values

[1, 5, 48, 824, 20690, 687582, 28488488, 1415047216, 81971972604, 5426378062364, 404122795201488, 33442612446777888, 3044479614669988040, 302377373253190949560, 32537275691504428919040, 3770760967834168275347072, 468240057706224000130749072, 62024410203403175896065018192]

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

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