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.

A160958 a(n) = (9^n - (-7)^n)/(9 - (-7)).

Table of values

n a(n)
1 1
2 2
3 67
4 260
5 4741
6 25862
7 350407
8 2330120
9 26735881
10 200269322
11 2084899147
12 16786765580
13 164922177421
14 1387410586382
15 13164918350287
16 113736703642640
17 1056863263353361
18 9279138856193042
19 85140663303647827
20 754867074547457300

List of values

[1, 2, 67, 260, 4741, 25862, 350407, 2330120, 26735881, 200269322, 2084899147, 16786765580, 164922177421, 1387410586382, 13164918350287, 113736703642640, 1056863263353361, 9279138856193042, 85140663303647827, 754867074547457300]

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

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