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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.

A254811 Number of ways to put n red, n blue, and n green balls into n indistinguishable boxes.

Table of values

n a(n)
0 1
1 1
2 14
3 171
4 1975
5 20096
6 187921
7 1609727
8 12827392
9 95701382
10 673873648
11 4503935052
12 28728268655
13 175644353402
14 1033386471872
15 5870110651051
16 32289704469531
17 172438417419444
18 896076816466546
19 4540173176769827
20 22469530730320361

List of values

[1, 1, 14, 171, 1975, 20096, 187921, 1609727, 12827392, 95701382, 673873648, 4503935052, 28728268655, 175644353402, 1033386471872, 5870110651051, 32289704469531, 172438417419444, 896076816466546, 4540173176769827, 22469530730320361]

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

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