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.

A034831 a(n) = n-th sept-factorial number divided by 4.

Table of values

n a(n)
1 1
2 11
3 198
4 4950
5 158400
6 6177600
7 284169600
8 15060988800
9 903659328000
10 60545174976000
11 4480342948224000
12 362907778806144000
13 31935884534940672000
14 3033909030819363840000
15 309458721143575111680000
16 33731000604649687173120000
17 3912796070139363712081920000

List of values

[1, 11, 198, 4950, 158400, 6177600, 284169600, 15060988800, 903659328000, 60545174976000, 4480342948224000, 362907778806144000, 31935884534940672000, 3033909030819363840000, 309458721143575111680000, 33731000604649687173120000, 3912796070139363712081920000]

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

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