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.

A177975 Square array T(n,k) read by antidiagonals up. Each column is the first column in the matrix inverse of a triangular matrix that is the k-th differences of A051731 in the column direction.

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 1
6 1
7 0
8 2
9 2
10 1
11 0
12 2
13 5
14 3
15 1
16 0
17 4
18 7
19 9
20 4
21 1
22 0
23 2
24 14
25 16
26 14
27 5
28 1
29 0
30 6
31 13
32 34
33 30
34 20
35 6
36 1
37 0
38 4
39 27
40 43
41 69
42 50
43 27
44 7
45 1
46 0
47 6
48 26
49 83
50 107
51 125
52 77
53 35
54 8
55 1
56 0
57 4
58 39
59 100
60 209
61 226
62 209
63 112
64 44
65 9
66 1
67 0
68 10
69 38
70 155
71 295
72 461
73 428
74 329
75 156
76 54
77 10
78 1

List of values

[1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 2, 5, 3, 1, 0, 4, 7, 9, 4, 1, 0, 2, 14, 16, 14, 5, 1, 0, 6, 13, 34, 30, 20, 6, 1, 0, 4, 27, 43, 69, 50, 27, 7, 1, 0, 6, 26, 83, 107, 125, 77, 35, 8, 1, 0, 4, 39, 100, 209, 226, 209, 112, 44, 9, 1, 0, 10, 38, 155, 295, 461, 428, 329, 156, 54, 10, 1]