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.

A302831 Expansion of (1/(1 - x))*Product_{k>=1} (1 + k*x^k).

Table of values

n a(n)
0 1
1 2
2 4
3 9
4 16
5 31
6 56
7 99
8 163
9 283
10 469
11 757
12 1220
13 1915
14 3020
15 4748
16 7273
17 11014
18 16789
19 25033
20 37480
21 55782
22 82206
23 120033
24 174762
25 253092
26 364276
27 523814
28 749438
29 1064853
30 1509561
31 2128227
32 2986392
33 4186093
34 5832169
35 8121130
36 11272081
37 15576076
38 21446615
39 29479186
40 40360980

List of values

[1, 2, 4, 9, 16, 31, 56, 99, 163, 283, 469, 757, 1220, 1915, 3020, 4748, 7273, 11014, 16789, 25033, 37480, 55782, 82206, 120033, 174762, 253092, 364276, 523814, 749438, 1064853, 1509561, 2128227, 2986392, 4186093, 5832169, 8121130, 11272081, 15576076, 21446615, 29479186, 40360980]