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.

A080930 a(n) = 2^(n-3)*(n+2)*(n+3)*(n+4)/3.

Table of values

n a(n)
0 1
1 5
2 20
3 70
4 224
5 672
6 1920
7 5280
8 14080
9 36608
10 93184
11 232960
12 573440
13 1392640
14 3342336
15 7938048
16 18677760
17 43581440
18 100925440
19 232128512
20 530579456
21 1205862400
22 2726297600
23 6134169600
24 13740539904
25 30651973632
26 68115496960

List of values

[1, 5, 20, 70, 224, 672, 1920, 5280, 14080, 36608, 93184, 232960, 573440, 1392640, 3342336, 7938048, 18677760, 43581440, 100925440, 232128512, 530579456, 1205862400, 2726297600, 6134169600, 13740539904, 30651973632, 68115496960]