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.

A214652 a(n) = (a(n-1) + a(n-4))/gcd(a(n-1), a(n-4)) with a(1) = a(2) = a(3) = a(4) = 1.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 3
7 4
8 5
9 7
10 10
11 7
12 12
13 19
14 29
15 36
16 4
17 23
18 52
19 22
20 13
21 36
22 22
23 2
24 15
25 17
26 39
27 41
28 56
29 73
30 112
31 153
32 209
33 282
34 197
35 350
36 559
37 841
38 1038
39 694
40 1253
41 2094
42 522
43 608
44 1861
45 3955
46 4477
47 5085
48 6946
49 10901
50 1398
51 2161
52 9107
53 20008
54 10703
55 12864
56 21971

List of values

[1, 1, 1, 1, 2, 3, 4, 5, 7, 10, 7, 12, 19, 29, 36, 4, 23, 52, 22, 13, 36, 22, 2, 15, 17, 39, 41, 56, 73, 112, 153, 209, 282, 197, 350, 559, 841, 1038, 694, 1253, 2094, 522, 608, 1861, 3955, 4477, 5085, 6946, 10901, 1398, 2161, 9107, 20008, 10703, 12864, 21971]