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.

A168291 T(n,k) = 4*A046802(n+1,k+1) - 2*A008518(n,k) - A007318(n,k), triangle read by rows (0 <= k <= n).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 6
5 1
6 1
7 15
8 15
9 1
10 1
11 32
12 82
13 32
14 1
15 1
16 65
17 330
18 330
19 65
20 1
21 1
22 130
23 1159
24 2304
25 1159
26 130
27 1
28 1
29 259
30 3801
31 13195
32 13195
33 3801
34 259
35 1
36 1
37 516
38 12016
39 67316
40 117170
41 67316
42 12016
43 516
44 1
45 1
46 1029
47 37212
48 319332
49 889230
50 889230
51 319332
52 37212

List of values

[1, 1, 1, 1, 6, 1, 1, 15, 15, 1, 1, 32, 82, 32, 1, 1, 65, 330, 330, 65, 1, 1, 130, 1159, 2304, 1159, 130, 1, 1, 259, 3801, 13195, 13195, 3801, 259, 1, 1, 516, 12016, 67316, 117170, 67316, 12016, 516, 1, 1, 1029, 37212, 319332, 889230, 889230, 319332, 37212]