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.

A355668 Array read by upwards antidiagonals T(n,k) = J(k) + n*J(k+1) where J(n) = A001045(n) is the Jacobsthal numbers.

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 2
5 1
6 3
7 3
8 4
9 3
10 4
11 4
12 7
13 8
14 5
15 5
16 5
17 10
18 13
19 16
20 11
21 6
22 6
23 13
24 18
25 27
26 32
27 21
28 7
29 7
30 16
31 23
32 38
33 53
34 64
35 43
36 8
37 8
38 19
39 28
40 49
41 74
42 107
43 128
44 85
45 9
46 9
47 22
48 33
49 60
50 95
51 150
52 213
53 256
54 171
55 10
56 10
57 25
58 38
59 71
60 116
61 193
62 298
63 427
64 512
65 341

List of values

[0, 1, 1, 2, 2, 1, 3, 3, 4, 3, 4, 4, 7, 8, 5, 5, 5, 10, 13, 16, 11, 6, 6, 13, 18, 27, 32, 21, 7, 7, 16, 23, 38, 53, 64, 43, 8, 8, 19, 28, 49, 74, 107, 128, 85, 9, 9, 22, 33, 60, 95, 150, 213, 256, 171, 10, 10, 25, 38, 71, 116, 193, 298, 427, 512, 341]