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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.

A255494 Triangle read by rows: coefficients of numerator of generating functions for powers of Pell numbers.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 4
5 1
6 1
7 13
8 13
9 1
10 1
11 38
12 130
13 38
14 1
15 1
16 105
17 1106
18 1106
19 105
20 1
21 1
22 280
23 8575
24 26544
25 8575
26 280
27 1
28 1
29 729
30 62475
31 567203
32 567203
33 62475
34 729
35 1
36 1
37 1866
38 435576
39 11179686
40 32897774
41 11179686
42 435576
43 1866
44 1
45 1
46 4717
47 2939208
48 207768576
49 1736613466
50 1736613466
51 207768576
52 2939208
53 4717
54 1

List of values

[1, 1, 1, 1, 4, 1, 1, 13, 13, 1, 1, 38, 130, 38, 1, 1, 105, 1106, 1106, 105, 1, 1, 280, 8575, 26544, 8575, 280, 1, 1, 729, 62475, 567203, 567203, 62475, 729, 1, 1, 1866, 435576, 11179686, 32897774, 11179686, 435576, 1866, 1, 1, 4717, 2939208, 207768576, 1736613466, 1736613466, 207768576, 2939208, 4717, 1]