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.

A097789 a(n)=4a(n-1)+C(n+4,4),n>0, a(0)=1.

Table of values

n a(n)
0 1
1 9
2 51
3 239
4 1026
5 4230
6 17130
7 68850
8 275895
9 1104295
10 4418181
11 17674089
12 70698176
13 282795084
14 1131183396
15 4524737460
16 18098954685
17 72395824725
18 289583306215
19 1158333233715
20 4633332945486
21 18533331794594
22 74133327193326

List of values

[1, 9, 51, 239, 1026, 4230, 17130, 68850, 275895, 1104295, 4418181, 17674089, 70698176, 282795084, 1131183396, 4524737460, 18098954685, 72395824725, 289583306215, 1158333233715, 4633332945486, 18533331794594, 74133327193326]

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

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