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.

A170741 Expansion of g.f.: (1+x)/(1-21*x).

Table of values

n a(n)
0 1
1 22
2 462
3 9702
4 203742
5 4278582
6 89850222
7 1886854662
8 39623947902
9 832102905942
10 17474161024782
11 366957381520422
12 7706105011928862
13 161828205250506102
14 3398392310260628142
15 71366238515473190982
16 1498691008824937010622
17 31472511185323677223062
18 660922734891797221684302

List of values

[1, 22, 462, 9702, 203742, 4278582, 89850222, 1886854662, 39623947902, 832102905942, 17474161024782, 366957381520422, 7706105011928862, 161828205250506102, 3398392310260628142, 71366238515473190982, 1498691008824937010622, 31472511185323677223062, 660922734891797221684302]

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

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