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.

A072262 a(n) = 4*a(n-1) + 1, a(1)=11.

Table of values

n a(n)
1 11
2 45
3 181
4 725
5 2901
6 11605
7 46421
8 185685
9 742741
10 2970965
11 11883861
12 47535445
13 190141781
14 760567125
15 3042268501
16 12169074005
17 48676296021
18 194705184085
19 778820736341
20 3115282945365
21 12461131781461
22 49844527125845

List of values

[11, 45, 181, 725, 2901, 11605, 46421, 185685, 742741, 2970965, 11883861, 47535445, 190141781, 760567125, 3042268501, 12169074005, 48676296021, 194705184085, 778820736341, 3115282945365, 12461131781461, 49844527125845]