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.

A076343 A076340(A001358(n)), real part of semiprimes mapped as defined in A076340, A076341.

Table of values

n a(n)
1 4
2 8
3 15
4 8
5 16
6 17
7 31
8 24
9 15
10 24
11 47
12 32
13 33
14 40
15 49
16 48
17 63
18 65
19 49
20 79
21 56
22 64
23 47
24 95
25 72
26 95
27 80
28 63
29 88
30 113
31 97
32 127
33 96
34 81
35 104
36 145
37 97
38 120
39 129
40 143
41 120
42 161
43 175
44 159
45 136
46 191
47 144
48 145
49 111
50 144
51 129
52 160
53 209
54 191
55 168
56 143
57 239
58 176
59 241
60 143

List of values

[4, 8, 15, 8, 16, 17, 31, 24, 15, 24, 47, 32, 33, 40, 49, 48, 63, 65, 49, 79, 56, 64, 47, 95, 72, 95, 80, 63, 88, 113, 97, 127, 96, 81, 104, 145, 97, 120, 129, 143, 120, 161, 175, 159, 136, 191, 144, 145, 111, 144, 129, 160, 209, 191, 168, 143, 239, 176, 241, 143]

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

Content is available under The OEIS End-User License Agreement.