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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.

A276487 Denominator of Sum_{k=1..n} 1/k^n.

Table of values

n a(n)
1 1
2 4
3 216
4 20736
5 777600000
6 46656000000
7 768464444160000000
8 247875891108249600000000
9 4098310578334288576512000000000
10 413109706296096288512409600000000
11 7425496288284402957501110551810198732800000000000

List of values

[1, 4, 216, 20736, 777600000, 46656000000, 768464444160000000, 247875891108249600000000, 4098310578334288576512000000000, 413109706296096288512409600000000, 7425496288284402957501110551810198732800000000000]

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

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