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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.

A324159 Expansion of Sum_{k>=1} k * x^k / (1 - k * x^k)^k.

Table of values

n a(n)
1 1
2 3
3 4
4 13
5 6
6 58
7 8
8 137
9 172
10 296
11 12
12 2063
13 14
14 1254
15 5536
16 7697
17 18
18 25201
19 20
20 68976
21 70862
22 23882
23 24
24 607485
25 218776
26 108720
27 918568
28 1810089
29 30
30 6746147
31 32
32 9408545
33 11779582
34 2233172
35 19935756
36 102405280
37 38
38 9968370
39 145283360
40 393585971
41 42
42 730233631
43 44
44 1296043651
45 2718300016

List of values

[1, 3, 4, 13, 6, 58, 8, 137, 172, 296, 12, 2063, 14, 1254, 5536, 7697, 18, 25201, 20, 68976, 70862, 23882, 24, 607485, 218776, 108720, 918568, 1810089, 30, 6746147, 32, 9408545, 11779582, 2233172, 19935756, 102405280, 38, 9968370, 145283360, 393585971, 42, 730233631, 44, 1296043651, 2718300016]