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.

A140993 Triangle G(n, k) read by rows, for 1 <= k <= n, where G(n, n) = G(n+1, 1) = 1, G(n+2, 2) = 2, G(n+3, m) = G(n+1, m-1) + G(n+1, m-2) + G(n+2, m-1) for n >= 1 and m = 3..(n+2).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 2
9 4
10 1
11 1
12 2
13 5
14 7
15 1
16 1
17 2
18 5
19 11
20 12
21 1
22 1
23 2
24 5
25 12
26 23
27 20
28 1
29 1
30 2
31 5
32 12
33 28
34 46
35 33
36 1
37 1
38 2
39 5
40 12
41 29
42 63
43 89
44 54
45 1
46 1
47 2
48 5
49 12
50 29
51 69
52 137
53 168
54 88
55 1
56 1
57 2
58 5
59 12
60 29
61 70
62 161
63 289
64 311
65 143
66 1
67 1
68 2
69 5
70 12
71 29
72 70
73 168
74 367
75 594
76 567
77 232
78 1
79 1
80 2
81 5
82 12
83 29
84 70
85 169
86 399
87 817
88 1194
89 1021
90 376
91 1

List of values

[1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 5, 7, 1, 1, 2, 5, 11, 12, 1, 1, 2, 5, 12, 23, 20, 1, 1, 2, 5, 12, 28, 46, 33, 1, 1, 2, 5, 12, 29, 63, 89, 54, 1, 1, 2, 5, 12, 29, 69, 137, 168, 88, 1, 1, 2, 5, 12, 29, 70, 161, 289, 311, 143, 1, 1, 2, 5, 12, 29, 70, 168, 367, 594, 567, 232, 1, 1, 2, 5, 12, 29, 70, 169, 399, 817, 1194, 1021, 376, 1]