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.

A257617 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) = 7*x + 2.

Table of values

n a(n)
0 1
1 2
2 2
3 4
4 36
5 4
6 8
7 388
8 388
9 8
10 16
11 3676
12 12416
13 3676
14 16
15 32
16 33564
17 283204
18 283204
19 33564
20 32
21 64
22 303260
23 5538184
24 13027384
25 5538184
26 303260
27 64
28 128
29 2732156
30 99831564
31 465775352
32 465775352
33 99831564
34 2732156
35 128

List of values

[1, 2, 2, 4, 36, 4, 8, 388, 388, 8, 16, 3676, 12416, 3676, 16, 32, 33564, 283204, 283204, 33564, 32, 64, 303260, 5538184, 13027384, 5538184, 303260, 64, 128, 2732156, 99831564, 465775352, 465775352, 99831564, 2732156, 128]