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.

A369424 Expansion of Sum_{n>=1} x^(n^2)*((1+x)/(1-x))^n.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 6
6 10
7 14
8 18
9 23
10 32
11 48
12 72
13 104
14 144
15 192
16 249
17 320
18 416
19 552
20 744
21 1008
22 1360
23 1816
24 2392
25 3105
26 3978
27 5050
28 6386
29 8082
30 10266
31 13098
32 16770
33 21506
34 27562
35 35226
36 44819
37 56702
38 71298
39 89134
40 110898
41 137502
42 170146
43 210382
44 260178
45 321982
46 398786
47 494190
48 612466
49 758623
50 938480
51 1158768

List of values

[1, 2, 2, 3, 6, 10, 14, 18, 23, 32, 48, 72, 104, 144, 192, 249, 320, 416, 552, 744, 1008, 1360, 1816, 2392, 3105, 3978, 5050, 6386, 8082, 10266, 13098, 16770, 21506, 27562, 35226, 44819, 56702, 71298, 89134, 110898, 137502, 170146, 210382, 260178, 321982, 398786, 494190, 612466, 758623, 938480, 1158768]