cp's OEIS Frontend

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.

A131445 Numerators of n-th approximation of factorial (also called harmonic) expansion of Pi.

Table of values

n a(n)
1 3
2 3
3 3
4 25
5 47
6 2261
7 15833
8 42223
9 42223
10 11400211
11 1672031
12 136802537
13 2173640311
14 2173640311
15 342348348983
16 5975534818613
17 372475003693547
18 21511925347007
19 76431870757915873
20 56199904969055789
21 4223866541884824563

List of values

[3, 3, 3, 25, 47, 2261, 15833, 42223, 42223, 11400211, 1672031, 136802537, 2173640311, 2173640311, 342348348983, 5975534818613, 372475003693547, 21511925347007, 76431870757915873, 56199904969055789, 4223866541884824563]

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

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