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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.

A291587 a(n) = ((2n-1)!!)^5 * Sum_{i=1..n} 1/(2*i-1)^5.

Table of values

n a(n)
0 0
1 1
2 244
3 762743
4 12820180976
5 757031629267449
6 121921454556651769524
7 45268703999809586294371407
8 34375967164840303438628549400000
9 48808991831991566280900452880679940625
10 120855944455445379138034328603009420077012500

List of values

[0, 1, 244, 762743, 12820180976, 757031629267449, 121921454556651769524, 45268703999809586294371407, 34375967164840303438628549400000, 48808991831991566280900452880679940625, 120855944455445379138034328603009420077012500]

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

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