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.

A189732 a(1)=1, a(2)=5, a(n) = a(n-1) + 5*a(n-2).

Table of values

n a(n)
1 1
2 5
3 10
4 35
5 85
6 260
7 685
8 1985
9 5410
10 15335
11 42385
12 119060
13 330985
14 926285
15 2581210
16 7212635
17 20118685
18 56181860
19 156775285
20 437684585
21 1221561010
22 3409983935
23 9517788985
24 26567708660
25 74156653585
26 206995196885
27 577778464810
28 1612754449235
29 4501646773285

List of values

[1, 5, 10, 35, 85, 260, 685, 1985, 5410, 15335, 42385, 119060, 330985, 926285, 2581210, 7212635, 20118685, 56181860, 156775285, 437684585, 1221561010, 3409983935, 9517788985, 26567708660, 74156653585, 206995196885, 577778464810, 1612754449235, 4501646773285]