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.

A131444 Denominators of n-th approximation of factorial (also called harmonic) expansion of the golden ratio phi (A001622).

Table of values

n a(n)
1 1
2 2
3 2
4 12
5 60
6 60
7 280
8 40320
9 22680
10 3628800
11 1900800
12 479001600
13 6227020800
14 6227020800
15 1307674368000
16 1307674368000
17 13680285696000
18 582033973248000
19 24329020081766400
20 2432902008176640000

List of values

[1, 2, 2, 12, 60, 60, 280, 40320, 22680, 3628800, 1900800, 479001600, 6227020800, 6227020800, 1307674368000, 1307674368000, 13680285696000, 582033973248000, 24329020081766400, 2432902008176640000]

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

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