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.

A337369 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of sqrt(2 / ( (1-2*(k+4)*x+((k-4)*x)^2) * (1+(k-4)*x+sqrt(1-2*(k+4)*x+((k-4)*x)^2)) )).

Table of values

n a(n)
0 1
1 1
2 6
3 1
4 7
5 30
6 1
7 8
8 51
9 140
10 1
11 9
12 74
13 393
14 630
15 1
16 10
17 99
18 736
19 3139
20 2772
21 1
22 11
23 126
24 1175
25 7606
26 25653
27 12012
28 1
29 12
30 155
31 1716
32 14499
33 80464
34 212941
35 51480
36 1
37 13
38 186
39 2365
40 24310
41 183195
42 864772
43 1787607
44 218790
45 1
46 14
47 219
48 3128
49 37555
50 352716
51 2351805
52 9400192
53 15134931
54 923780

List of values

[1, 1, 6, 1, 7, 30, 1, 8, 51, 140, 1, 9, 74, 393, 630, 1, 10, 99, 736, 3139, 2772, 1, 11, 126, 1175, 7606, 25653, 12012, 1, 12, 155, 1716, 14499, 80464, 212941, 51480, 1, 13, 186, 2365, 24310, 183195, 864772, 1787607, 218790, 1, 14, 219, 3128, 37555, 352716, 2351805, 9400192, 15134931, 923780]