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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.

A361385 a(n) is the number of "Fermi-Dirac prime" factors (or I-components) of the n-th infinitary harmonic number.

Table of values

n a(n)
1 0
2 2
3 2
4 3
5 3
6 4
7 4
8 4
9 5
10 5
11 5
12 4
13 3
14 5
15 5
16 5
17 4
18 6
19 5
20 5
21 6
22 6
23 5
24 6
25 5
26 6
27 6
28 6
29 5
30 7
31 4
32 5
33 5
34 6
35 7
36 6
37 6
38 6
39 7
40 6
41 6
42 7
43 6
44 6
45 6
46 7
47 6
48 8
49 7
50 7
51 7
52 6
53 7
54 7
55 7
56 6
57 8
58 6
59 5
60 6
61 7
62 6
63 7
64 7
65 6
66 8
67 7
68 7
69 8
70 7
71 6
72 7
73 8
74 7
75 6
76 8
77 7
78 7
79 7
80 7
81 9
82 6
83 8
84 6
85 8
86 8
87 7

List of values

[0, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 4, 3, 5, 5, 5, 4, 6, 5, 5, 6, 6, 5, 6, 5, 6, 6, 6, 5, 7, 4, 5, 5, 6, 7, 6, 6, 6, 7, 6, 6, 7, 6, 6, 6, 7, 6, 8, 7, 7, 7, 6, 7, 7, 7, 6, 8, 6, 5, 6, 7, 6, 7, 7, 6, 8, 7, 7, 8, 7, 6, 7, 8, 7, 6, 8, 7, 7, 7, 7, 9, 6, 8, 6, 8, 8, 7]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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