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.

A121512 a(n) = a(n-1) + a(n-3) - a(n-4) for n>4, with a(1)=1, a(2)=4, a(3)=10, a(4)=4.

Table of values

n a(n)
1 1
2 4
3 10
4 4
5 7
6 13
7 7
8 10
9 16
10 10
11 13
12 19
13 13
14 16
15 22
16 16
17 19
18 25
19 19
20 22
21 28
22 22
23 25
24 31
25 25
26 28
27 34
28 28
29 31
30 37
31 31
32 34
33 40
34 34
35 37
36 43
37 37
38 40
39 46
40 40
41 43
42 49
43 43
44 46
45 52
46 46
47 49
48 55
49 49
50 52
51 58
52 52
53 55
54 61
55 55
56 58
57 64
58 58
59 61
60 67
61 61
62 64
63 70
64 64
65 67
66 73

List of values

[1, 4, 10, 4, 7, 13, 7, 10, 16, 10, 13, 19, 13, 16, 22, 16, 19, 25, 19, 22, 28, 22, 25, 31, 25, 28, 34, 28, 31, 37, 31, 34, 40, 34, 37, 43, 37, 40, 46, 40, 43, 49, 43, 46, 52, 46, 49, 55, 49, 52, 58, 52, 55, 61, 55, 58, 64, 58, 61, 67, 61, 64, 70, 64, 67, 73]