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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.

A241139 Number of nonprimes in factorization of n! over distinct terms of A050376.

Table of values

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

List of values

[0, 0, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 5, 6, 7, 7, 4, 4, 5, 5, 6, 6, 8, 9, 10, 10, 9, 9, 11, 11, 12, 12, 10, 9, 8, 8, 9, 10, 11, 11, 12, 12, 11, 12, 14, 14, 16, 15, 15, 15, 13, 13, 14, 14, 14, 14, 16, 16, 16, 16, 17, 19, 21, 21, 18, 18, 19, 16, 14, 14, 16, 16, 17]

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

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