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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.

A185399 As p runs through the primes, sequence gives denominator of Sum_{k=1..p-1} 1/k.

Table of values

n a(n)
1 1
2 2
3 12
4 20
5 2520
6 27720
7 720720
8 4084080
9 5173168
10 80313433200
11 2329089562800
12 13127595717600
13 485721041551200
14 2844937529085600
15 1345655451257488800
16 3099044504245996706400
17 54749786241679275146400
18 3230237388259077233637600

List of values

[1, 2, 12, 20, 2520, 27720, 720720, 4084080, 5173168, 80313433200, 2329089562800, 13127595717600, 485721041551200, 2844937529085600, 1345655451257488800, 3099044504245996706400, 54749786241679275146400, 3230237388259077233637600]

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

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