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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.

A014178 a(n) = Sum_{k = 0..n} binomial(n,k)^3*binomial(n+k,k).

Table of values

n a(n)
0 1
1 3
2 31
3 399
4 5871
5 93753
6 1577479
7 27556623
8 495001327
9 9085988613
10 169675769781
11 3213444254133
12 61573700137431
13 1191526503165729
14 23252920338835911
15 457112339182896399
16 9043566887755775727
17 179928068420530483389
18 3597714616543167088921

List of values

[1, 3, 31, 399, 5871, 93753, 1577479, 27556623, 495001327, 9085988613, 169675769781, 3213444254133, 61573700137431, 1191526503165729, 23252920338835911, 457112339182896399, 9043566887755775727, 179928068420530483389, 3597714616543167088921]

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

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