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.

A188646 Array of a(n)=a(n-1)*k-((k-1)/(k^n)) where a(0)=1 and k=(sqrt(x^2-1)+x)^2 for integers x>=1.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 13
5 1
6 1
7 181
8 33
9 1
10 1
11 2521
12 1121
13 61
14 1
15 1
16 35113
17 38081
18 3781
19 97
20 1
21 1
22 489061
23 1293633
24 234361
25 9505
26 141
27 1
28 1
29 6811741
30 43945441
31 14526601
32 931393
33 20021
34 193
35 1
36 1
37 94875313
38 1492851361
39 900414901
40 91267009
41 2842841
42 37441
43 253
44 1

List of values

[1, 1, 1, 1, 13, 1, 1, 181, 33, 1, 1, 2521, 1121, 61, 1, 1, 35113, 38081, 3781, 97, 1, 1, 489061, 1293633, 234361, 9505, 141, 1, 1, 6811741, 43945441, 14526601, 931393, 20021, 193, 1, 1, 94875313, 1492851361, 900414901, 91267009, 2842841, 37441, 253, 1]