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.

A257616 Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = 6*x + 2.

Table of values

n a(n)
0 1
1 2
2 2
3 4
4 32
5 4
6 8
7 312
8 312
9 8
10 16
11 2656
12 8736
13 2656
14 16
15 32
16 21664
17 175424
18 175424
19 21664
20 32
21 64
22 174336
23 3019200
24 7016960
25 3019200
26 174336
27 64
28 128
29 1397120
30 47847552
31 218838400
32 218838400
33 47847552
34 1397120
35 128
36 256
37 11182592
38 722956288
39 5907889664
40 11379596800
41 5907889664
42 722956288
43 11182592
44 256

List of values

[1, 2, 2, 4, 32, 4, 8, 312, 312, 8, 16, 2656, 8736, 2656, 16, 32, 21664, 175424, 175424, 21664, 32, 64, 174336, 3019200, 7016960, 3019200, 174336, 64, 128, 1397120, 47847552, 218838400, 218838400, 47847552, 1397120, 128, 256, 11182592, 722956288, 5907889664, 11379596800, 5907889664, 722956288, 11182592, 256]