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.

A121884 Excess of n-th semiprime over previous prime.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 1
6 2
7 2
8 3
9 2
10 3
11 2
12 3
13 4
14 1
15 2
16 3
17 2
18 4
19 2
20 4
21 5
22 1
23 4
24 2
25 1
26 4
27 3
28 2
29 3
30 4
31 2
32 4
33 5
34 6
35 3
36 2
37 2
38 5
39 6
40 8
41 9
42 10
43 2
44 2
45 3
46 2
47 3
48 4
49 6
50 7
51 4
52 1
53 2
54 4
55 3
56 2
57 4
58 5
59 2
60 4
61 6
62 1
63 2
64 3
65 4
66 6
67 7
68 10
69 2
70 3
71 4
72 6
73 7
74 8
75 10
76 3
77 2
78 4
79 6
80 8
81 2
82 3
83 2
84 5
85 2
86 4
87 3
88 1
89 4
90 6
91 8
92 2
93 5
94 6
95 8
96 9
97 10
98 12
99 2
100 1
101 2
102 4
103 6

List of values

[1, 1, 2, 3, 1, 2, 2, 3, 2, 3, 2, 3, 4, 1, 2, 3, 2, 4, 2, 4, 5, 1, 4, 2, 1, 4, 3, 2, 3, 4, 2, 4, 5, 6, 3, 2, 2, 5, 6, 8, 9, 10, 2, 2, 3, 2, 3, 4, 6, 7, 4, 1, 2, 4, 3, 2, 4, 5, 2, 4, 6, 1, 2, 3, 4, 6, 7, 10, 2, 3, 4, 6, 7, 8, 10, 3, 2, 4, 6, 8, 2, 3, 2, 5, 2, 4, 3, 1, 4, 6, 8, 2, 5, 6, 8, 9, 10, 12, 2, 1, 2, 4, 6]