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.

A271266 a(n) = Product_{k=1..n} (k^2 + 21).

Table of values

n a(n)
0 1
1 22
2 550
3 16500
4 610500
5 28083000
6 1600731000
7 112051170000
8 9524349450000
9 971483643900000
10 117549520911900000
11 16692031969489800000
12 2754185274965817000000
13 523295202243505230000000
14 113555058886840634910000000
15 27934544486162796187860000000
16 7737868822667094544037220000000

List of values

[1, 22, 550, 16500, 610500, 28083000, 1600731000, 112051170000, 9524349450000, 971483643900000, 117549520911900000, 16692031969489800000, 2754185274965817000000, 523295202243505230000000, 113555058886840634910000000, 27934544486162796187860000000, 7737868822667094544037220000000]

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

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