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.

A303486 a(n) = n! * [x^n] 1/(1 - 3*x)^(n/3).

Table of values

n a(n)
0 1
1 1
2 10
3 162
4 3640
5 104720
6 3674160
7 152152000
8 7264216960
9 392841187200
10 23734494784000
11 1584471003315200
12 115825295634048000
13 9201578813819392000
14 789383453851632640000
15 72728093032166347776000
16 7162140885524461957120000
17 750766815289210771251200000

List of values

[1, 1, 10, 162, 3640, 104720, 3674160, 152152000, 7264216960, 392841187200, 23734494784000, 1584471003315200, 115825295634048000, 9201578813819392000, 789383453851632640000, 72728093032166347776000, 7162140885524461957120000, 750766815289210771251200000]

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

Content is available under The OEIS End-User License Agreement.