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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.

A323497 a(n) = Product_{k=1..n} (binomial(k-1,4) + binomial(n-k,4)).

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 6890625
9 67528125000
10 771895089000000
11 10758502218240000000
12 193672800442598400000000
13 4520389860871215408000000000
14 136445409183108034775390625000000
15 5281556250358583667176941845984375000
16 259600586924352252185403119405592275390625

List of values

[1, 0, 0, 0, 0, 0, 0, 0, 6890625, 67528125000, 771895089000000, 10758502218240000000, 193672800442598400000000, 4520389860871215408000000000, 136445409183108034775390625000000, 5281556250358583667176941845984375000, 259600586924352252185403119405592275390625]

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

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