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.

A164539 a(n) = 2*a(n-1) + 7*a(n-2) for n > 1; a(0) = 1, a(1) = 13.

Table of values

n a(n)
0 1
1 13
2 33
3 157
4 545
5 2189
6 8193
7 31709
8 120769
9 463501
10 1772385
11 6789277
12 25985249
13 99495437
14 380887617
15 1458243293
16 5582699905
17 21373102861
18 81825105057
19 313261930141
20 1199299595681
21 4591432702349
22 17577962574465
23 67295954065373

List of values

[1, 13, 33, 157, 545, 2189, 8193, 31709, 120769, 463501, 1772385, 6789277, 25985249, 99495437, 380887617, 1458243293, 5582699905, 21373102861, 81825105057, 313261930141, 1199299595681, 4591432702349, 17577962574465, 67295954065373]