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.

A124733 Triangle read by rows: row n is the first row of the matrix M[n]^(n-1), where M[n] is the n X n tridiagonal matrix with main diagonal (2,3,3,...) and super- and subdiagonals (1,1,1,...).

Table of values

n a(n)
1 1
2 2
3 1
4 5
5 5
6 1
7 15
8 21
9 8
10 1
11 51
12 86
13 46
14 11
15 1
16 188
17 355
18 235
19 80
20 14
21 1
22 731
23 1488
24 1140
25 489
26 123
27 17
28 1
29 2950
30 6335
31 5397
32 2730
33 875
34 175
35 20
36 1
37 12235
38 27352
39 25256
40 14462
41 5530
42 1420
43 236
44 23
45 1
46 51822
47 119547
48 117582
49 74172
50 32472
51 10026
52 2151
53 306
54 26
55 1

List of values

[1, 2, 1, 5, 5, 1, 15, 21, 8, 1, 51, 86, 46, 11, 1, 188, 355, 235, 80, 14, 1, 731, 1488, 1140, 489, 123, 17, 1, 2950, 6335, 5397, 2730, 875, 175, 20, 1, 12235, 27352, 25256, 14462, 5530, 1420, 236, 23, 1, 51822, 119547, 117582, 74172, 32472, 10026, 2151, 306, 26, 1]