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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.

A231327 Denominator of rational component of zeta(4n)/zeta(2n).

Table of values

n a(n)
0 1
1 15
2 105
3 675675
4 34459425
5 16368226875
6 218517792968475
7 30951416768146875
8 694097901592400930625
9 23383376494609715287281703125
10 2289686345687357378035370971875
11 219012470258383844016431785453125
12 4791965046290912124048163518904807546875

List of values

[1, 15, 105, 675675, 34459425, 16368226875, 218517792968475, 30951416768146875, 694097901592400930625, 23383376494609715287281703125, 2289686345687357378035370971875, 219012470258383844016431785453125, 4791965046290912124048163518904807546875]

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

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