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.

A201542 Integer nearest f(2^n), where f(x) = Sum of ( mu(k) * H(k)/k^(3/2) * Integral Log(x^(1/k)) ) for k = 1 to infinity, where H(k) is the harmonic number sum_{i=1..k} 1/i.

Table of values

n a(n)
1 2
2 2
3 4
4 6
5 11
6 18
7 31
8 54
9 96
10 171
11 309
12 562
13 1029
14 1896
15 3514
16 6545
17 12247
18 23005
19 43371
20 82029
21 155598
22 295927
23 564164
24 1077892
25 2063545
26 3957761
27 7603593
28 14630713
29 28192867
30 54399529
31 105097590
32 203280493
33 393614506
34 762937782
35 1480207843
36 2874399615

List of values

[2, 2, 4, 6, 11, 18, 31, 54, 96, 171, 309, 562, 1029, 1896, 3514, 6545, 12247, 23005, 43371, 82029, 155598, 295927, 564164, 1077892, 2063545, 3957761, 7603593, 14630713, 28192867, 54399529, 105097590, 203280493, 393614506, 762937782, 1480207843, 2874399615]