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.

A107450 Additive persistence of the prime numbers.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 1
6 1
7 1
8 2
9 1
10 2
11 1
12 2
13 1
14 1
15 2
16 1
17 2
18 1
19 2
20 1
21 2
22 2
23 2
24 2
25 2
26 1
27 1
28 1
29 2
30 1
31 2
32 1
33 2
34 2
35 2
36 1
37 2
38 2
39 2
40 2
41 2
42 2
43 2
44 2
45 2
46 3
47 1
48 1
49 2
50 2
51 1
52 2
53 1
54 1
55 2
56 2
57 2
58 2
59 2
60 2
61 2
62 2
63 2
64 1
65 1
66 2
67 1
68 2
69 2
70 2
71 2
72 2
73 2
74 2
75 3
76 2
77 2
78 3
79 1
80 2
81 2
82 1
83 1
84 2
85 2
86 2
87 2
88 2
89 2
90 2
91 2
92 2
93 3
94 2
95 2
96 1
97 2
98 1
99 2
100 2

List of values

[0, 0, 0, 0, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 3, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 1, 2, 1, 2, 2]

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

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