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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.

A308279 The weighted sum of BPS states n_1^n for the quintic.

Table of values

n a(n)
1 0
2 0
3 609250
4 3721431625
5 12129909700200
6 31147299733286500
7 71578406022880761750
8 154990541752961568418125
9 324064464310279585657008750
10 662863774391414096742406576300
11 1336442091735463067608016312923750
12 2668147157687867719032781403203942875
13 5290387928421738826068606777043538125500

List of values

[0, 0, 609250, 3721431625, 12129909700200, 31147299733286500, 71578406022880761750, 154990541752961568418125, 324064464310279585657008750, 662863774391414096742406576300, 1336442091735463067608016312923750, 2668147157687867719032781403203942875, 5290387928421738826068606777043538125500]

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

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