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.

A159974 Triangle read by rows, M * Q; M = an infinite lower triangular Toeplitz matrix with (1, 1, 2, 3, 4, 5, ...) in every column. Q = a matrix with A034943: (1, 1, 2, 5, 12, 28, ...) as the main diagonal and the rest zeros.

Table of values

n a(n)
2 1
3 1
4 1
5 2
6 1
7 2
8 3
9 2
10 2
11 5
12 4
13 3
14 4
15 5
16 12
17 5
18 4
19 6
20 10
21 12
22 28
23 6
24 5
25 8
26 15
27 24
28 28
29 65
30 7
31 6
32 10
33 20
34 36
35 56
36 65
37 151
38 8
39 7
40 12
41 25
42 48
43 84
44 130
45 151
46 351
47 9
48 8
49 14
50 30
51 60
52 112
53 195
54 302
55 351
56 816
57 10
58 9
59 16
60 35
61 72
62 140
63 260
64 453
65 702
66 816
67 1897

List of values

[1, 1, 1, 2, 1, 2, 3, 2, 2, 5, 4, 3, 4, 5, 12, 5, 4, 6, 10, 12, 28, 6, 5, 8, 15, 24, 28, 65, 7, 6, 10, 20, 36, 56, 65, 151, 8, 7, 12, 25, 48, 84, 130, 151, 351, 9, 8, 14, 30, 60, 112, 195, 302, 351, 816, 10, 9, 16, 35, 72, 140, 260, 453, 702, 816, 1897]