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.

A321133 a(n) = 3*a(n-1) + 10*a(n-2), n >= 2; a(0)=-1, a(1)=23.

Table of values

n a(n)
0 -1
1 23
2 59
3 407
4 1811
5 9503
6 46619
7 234887
8 1170851
9 5861423
10 29292779
11 146492567
12 732405491
13 3662142143
14 18310481339
15 91552865447
16 457763409731
17 2288818883663
18 11444090748299
19 57220461081527
20 286102290727571
21 1430511482997983
22 7152557356269659
23 35762786898788807
24 178813934259063011

List of values

[-1, 23, 59, 407, 1811, 9503, 46619, 234887, 1170851, 5861423, 29292779, 146492567, 732405491, 3662142143, 18310481339, 91552865447, 457763409731, 2288818883663, 11444090748299, 57220461081527, 286102290727571, 1430511482997983, 7152557356269659, 35762786898788807, 178813934259063011]