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.

A188530 2^(2n+1)-5*2^(n-1)-1.

Table of values

n a(n)
1 2
2 21
3 107
4 471
5 1967
6 8031
7 32447
8 130431
9 523007
10 2094591
11 8383487
12 33544191
13 134197247
14 536829951
15 2147401727
16 8589770751
17 34359410687
18 137438298111
19 549754503167
20 2199020634111

List of values

[2, 21, 107, 471, 1967, 8031, 32447, 130431, 523007, 2094591, 8383487, 33544191, 134197247, 536829951, 2147401727, 8589770751, 34359410687, 137438298111, 549754503167, 2199020634111]

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

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