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.

A203470 a(n) = Product_{2 <= i < j <= n+1} (i + j).

Table of values

n a(n)
1 1
2 5
3 210
4 105840
5 838252800
6 129459762432000
7 466521199899955200000
8 45727437650097816797184000000
9 139352822480378029387123167068160000000
10 14863555768518278744824500982673408262144000000000
11 61707340455179609358720715109663452970925870494515200000000000

List of values

[1, 5, 210, 105840, 838252800, 129459762432000, 466521199899955200000, 45727437650097816797184000000, 139352822480378029387123167068160000000, 14863555768518278744824500982673408262144000000000, 61707340455179609358720715109663452970925870494515200000000000]

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

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