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.

A083075 Square array read by antidiagonals: T(n,k) = (k*(2*k+3)^n + 1)/(k+1).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 1
6 1
7 5
8 13
9 1
10 1
11 7
12 33
13 63
14 1
15 1
16 9
17 61
18 229
19 313
20 1
21 1
22 11
23 97
24 547
25 1601
26 1563
27 1
28 1
29 13
30 141
31 1065
32 4921
33 11205
34 7813
35 1
36 1
37 15
38 193
39 1831
40 11713
41 44287
42 78433
43 39063
44 1
45 1
46 17
47 253
48 2893
49 23801
50 128841
51 398581
52 549029
53 195313
54 1
55 1
56 19
57 321

List of values

[1, 1, 1, 1, 3, 1, 1, 5, 13, 1, 1, 7, 33, 63, 1, 1, 9, 61, 229, 313, 1, 1, 11, 97, 547, 1601, 1563, 1, 1, 13, 141, 1065, 4921, 11205, 7813, 1, 1, 15, 193, 1831, 11713, 44287, 78433, 39063, 1, 1, 17, 253, 2893, 23801, 128841, 398581, 549029, 195313, 1, 1, 19, 321]