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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.

A308295 a(n) = Sum_{i_1=0..4} Sum_{i_2=0..4} ... Sum_{i_n=0..4} multinomial(i_1 + i_2 + ... + i_n; i_1, i_2, ..., i_n).

Table of values

n a(n)
0 1
1 5
2 251
3 110251
4 191448941
5 904434761801
6 9459612561834055
7 191593734298902552191
8 6835386432791154682927481
9 400218584926232312004573701101
10 36402864165071086859006490971345651
11 4922828438813493756340086555005103394355

List of values

[1, 5, 251, 110251, 191448941, 904434761801, 9459612561834055, 191593734298902552191, 6835386432791154682927481, 400218584926232312004573701101, 36402864165071086859006490971345651, 4922828438813493756340086555005103394355]

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

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