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.

A386478 Array read by upward antidiagonals: T(k,n) = 1 (k = 0, n >= 0), T(k,n) = k^2*n^2/2 - (3*k-4)*n/2 + 1 (k >= 1, n >= 0).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 2
8 4
9 1
10 1
11 3
12 7
13 7
14 1
15 1
16 5
17 14
18 16
19 11
20 1
21 1
22 8
23 25
24 34
25 29
26 16
27 1
28 1
29 12
30 40
31 61
32 63
33 46
34 22
35 1
36 1
37 17
38 59
39 97
40 113
41 101
42 67
43 29
44 1
45 1
46 23
47 82
48 142
49 179
50 181
51 148
52 92
53 37
54 1
55 1
56 30
57 109
58 196
59 261
60 286
61 265
62 204
63 121
64 46
65 1
66 1
67 38
68 140
69 259
70 359
71 416
72 418
73 365
74 269
75 154
76 56
77 1
78 1
79 47
80 175
81 331
82 473
83 571
84 607
85 575
86 481
87 343
88 191
89 67
90 1

List of values

[1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 3, 7, 7, 1, 1, 5, 14, 16, 11, 1, 1, 8, 25, 34, 29, 16, 1, 1, 12, 40, 61, 63, 46, 22, 1, 1, 17, 59, 97, 113, 101, 67, 29, 1, 1, 23, 82, 142, 179, 181, 148, 92, 37, 1, 1, 30, 109, 196, 261, 286, 265, 204, 121, 46, 1, 1, 38, 140, 259, 359, 416, 418, 365, 269, 154, 56, 1, 1, 47, 175, 331, 473, 571, 607, 575, 481, 343, 191, 67, 1]