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.

A079166 Square array read by antidiagonals of T(n,k)=(4k-2)*T(n,k-1)+T(n,k-2) with T(n,0)=1 and T(n,1)=n.

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 1
5 1
6 10
7 7
8 2
9 1
10 141
11 71
12 13
13 3
14 1
15 2548
16 1001
17 132
18 19
19 4
20 1
21 56197
22 18089
23 1861
24 193
25 25
26 5
27 1
28 1463670
29 398959
30 33630
31 2721
32 254
33 31
34 6
35 1
36 43966297
37 10391023
38 741721
39 49171
40 3581
41 315
42 37
43 7
44 1
45 1496317768
46 312129649
47 19318376
48 1084483

List of values

[1, 0, 1, 1, 1, 1, 10, 7, 2, 1, 141, 71, 13, 3, 1, 2548, 1001, 132, 19, 4, 1, 56197, 18089, 1861, 193, 25, 5, 1, 1463670, 398959, 33630, 2721, 254, 31, 6, 1, 43966297, 10391023, 741721, 49171, 3581, 315, 37, 7, 1, 1496317768, 312129649, 19318376, 1084483]