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.

A107880 Matrix square of triangle A107876; equals matrix product of triangles: A107876^2 = A107862^-1*A107870 = A107867^-1*A107873.

Table of values

n a(n)
0 1
1 2
2 1
3 3
4 2
5 1
6 7
7 5
8 2
9 1
10 26
11 19
12 7
13 2
14 1
15 141
16 104
17 37
18 9
19 2
20 1
21 1034
22 766
23 268
24 61
25 11
26 2
27 1
28 9693
29 7197
30 2496
31 550
32 91
33 13
34 2
35 1
36 111522
37 82910
38 28612
39 6195
40 982
41 127
42 15
43 2
44 1
45 1528112
46 1136923
47 391189
48 83837
49 12977
50 1596
51 169
52 17
53 2
54 1
55 24372513
56 18141867
57 6230646
58 1326923
59 202494
60 24206
61 2424
62 217
63 19
64 2
65 1

List of values

[1, 2, 1, 3, 2, 1, 7, 5, 2, 1, 26, 19, 7, 2, 1, 141, 104, 37, 9, 2, 1, 1034, 766, 268, 61, 11, 2, 1, 9693, 7197, 2496, 550, 91, 13, 2, 1, 111522, 82910, 28612, 6195, 982, 127, 15, 2, 1, 1528112, 1136923, 391189, 83837, 12977, 1596, 169, 17, 2, 1, 24372513, 18141867, 6230646, 1326923, 202494, 24206, 2424, 217, 19, 2, 1]