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.

A097788 a(n)=4a(n-1)+C(n+3,3),n>0, a(0)=1.

Table of values

n a(n)
0 1
1 8
2 42
3 188
4 787
5 3204
6 12900
7 51720
8 207045
9 828400
10 3313886
11 13255908
12 53024087
13 212096908
14 848388312
15 3393554064
16 13574217225
17 54296870040
18 217187481490
19 868749927500
20 3474999711771
21 13899998849108
22 55599995398732

List of values

[1, 8, 42, 188, 787, 3204, 12900, 51720, 207045, 828400, 3313886, 13255908, 53024087, 212096908, 848388312, 3393554064, 13574217225, 54296870040, 217187481490, 868749927500, 3474999711771, 13899998849108, 55599995398732]

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

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