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.

A360927 Expansion of the g.f. x*(1 + 3*x + 4*x^2 + 4*x^3)/((1 - x)^2*(1 + x)).

Table of values

n a(n)
0 0
1 1
2 4
3 9
4 16
5 21
6 28
7 33
8 40
9 45
10 52
11 57
12 64
13 69
14 76
15 81
16 88
17 93
18 100
19 105
20 112
21 117
22 124
23 129
24 136
25 141
26 148
27 153
28 160
29 165
30 172
31 177
32 184
33 189
34 196
35 201
36 208
37 213
38 220
39 225
40 232
41 237
42 244
43 249
44 256
45 261
46 268
47 273
48 280
49 285
50 292
51 297
52 304
53 309
54 316
55 321
56 328

List of values

[0, 1, 4, 9, 16, 21, 28, 33, 40, 45, 52, 57, 64, 69, 76, 81, 88, 93, 100, 105, 112, 117, 124, 129, 136, 141, 148, 153, 160, 165, 172, 177, 184, 189, 196, 201, 208, 213, 220, 225, 232, 237, 244, 249, 256, 261, 268, 273, 280, 285, 292, 297, 304, 309, 316, 321, 328]