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.

A101479 Triangular matrix T, read by rows, where row n equals row (n-1) of T^(n-1) after appending '1' for the main diagonal.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 3
7 2
8 1
9 1
10 19
11 9
12 3
13 1
14 1
15 191
16 70
17 18
18 4
19 1
20 1
21 2646
22 795
23 170
24 30
25 5
26 1
27 1
28 46737
29 11961
30 2220
31 335
32 45
33 6
34 1
35 1
36 1003150
37 224504
38 37149
39 4984
40 581
41 63
42 7
43 1
44 1
45 25330125
46 5051866
47 758814
48 92652
49 9730
50 924
51 84
52 8
53 1
54 1
55 735180292
56 132523155
57 18301950
58 2065146
59 199692
60 17226
61 1380
62 108
63 9
64 1
65 1

List of values

[1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 19, 9, 3, 1, 1, 191, 70, 18, 4, 1, 1, 2646, 795, 170, 30, 5, 1, 1, 46737, 11961, 2220, 335, 45, 6, 1, 1, 1003150, 224504, 37149, 4984, 581, 63, 7, 1, 1, 25330125, 5051866, 758814, 92652, 9730, 924, 84, 8, 1, 1, 735180292, 132523155, 18301950, 2065146, 199692, 17226, 1380, 108, 9, 1, 1]