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.

A369789 Number of different coefficient values in expansion of Product_{k=1..n} (1+x^prime(k))^2.

Table of values

n a(n)
0 1
1 3
2 4
3 5
4 10
5 20
6 29
7 47
8 69
9 92
10 122
11 153
12 190
13 231
14 274
15 321
16 374
17 433
18 494
19 561
20 632
21 705
22 784
23 867
24 956
25 1053
26 1154
27 1257
28 1364
29 1473
30 1586
31 1713
32 1844
33 1981
34 2120
35 2269
36 2420
37 2577
38 2740
39 2907
40 3080
41 3259
42 3440
43 3631
44 3824
45 4021
46 4220
47 4431
48 4654
49 4881
50 5110

List of values

[1, 3, 4, 5, 10, 20, 29, 47, 69, 92, 122, 153, 190, 231, 274, 321, 374, 433, 494, 561, 632, 705, 784, 867, 956, 1053, 1154, 1257, 1364, 1473, 1586, 1713, 1844, 1981, 2120, 2269, 2420, 2577, 2740, 2907, 3080, 3259, 3440, 3631, 3824, 4021, 4220, 4431, 4654, 4881, 5110]