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.

A274130 Irregular triangle T(n,m), numerators of coefficients in a power/Fourier series expansion of the plane pendulum's exact time dependence.

Table of values

n a(n)
1 1
2 1
3 11
4 29
5 1
6 1
7 491
8 863
9 6571
10 4399
11 13
12 5
13 1568551
14 28783
15 45187
16 312643
17 4351
18 1117
19 17
20 35
21 25935757
22 81123251
23 2226193
24 2440117
25 16025
26 34246631
27 18161
28 35443
29 49
30 7
31 5301974777
32 22870237
33 1603483793
34 23507881213
35 122574691
36 122330761339
37 903325919
38 1976751869
39 956873
40 18551
41 35
42 77

List of values

[1, 1, 11, 29, 1, 1, 491, 863, 6571, 4399, 13, 5, 1568551, 28783, 45187, 312643, 4351, 1117, 17, 35, 25935757, 81123251, 2226193, 2440117, 16025, 34246631, 18161, 35443, 49, 7, 5301974777, 22870237, 1603483793, 23507881213, 122574691, 122330761339, 903325919, 1976751869, 956873, 18551, 35, 77]