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.

A056117 Expansion of (1+8*x)/(1-x)^9.

Table of values

n a(n)
0 1
1 17
2 117
3 525
4 1815
5 5247
6 13299
7 30459
8 64350
9 127270
10 238238
11 425646
12 730626
13 1211250
14 1947690
15 3048474
16 4657983
17 6965343
18 10214875
19 14718275
20 20868705
21 29156985
22 40190085
23 54712125
24 73628100
25 98030556
26 129229452
27 168785452

List of values

[1, 17, 117, 525, 1815, 5247, 13299, 30459, 64350, 127270, 238238, 425646, 730626, 1211250, 1947690, 3048474, 4657983, 6965343, 10214875, 14718275, 20868705, 29156985, 40190085, 54712125, 73628100, 98030556, 129229452, 168785452]

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

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