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.

A124000 Semiprimes in A006987(n), or semiprime binomial coefficients: C(n,k), 2 <= k <= n-2.

Table of values

n a(n)
1 6
2 10
3 15
4 21
5 35
6 55
7 91
8 253
9 703
10 1081
11 1711
12 1891
13 2701
14 3403
15 5671
16 12403
17 13861
18 15931
19 18721
20 25651
21 34453
22 38503
23 49141
24 60031
25 64261
26 73153
27 79003
28 88831
29 104653
30 108811
31 114481
32 126253
33 146611
34 158203
35 171991
36 188191
37 218791
38 226801

List of values

[6, 10, 15, 21, 35, 55, 91, 253, 703, 1081, 1711, 1891, 2701, 3403, 5671, 12403, 13861, 15931, 18721, 25651, 34453, 38503, 49141, 60031, 64261, 73153, 79003, 88831, 104653, 108811, 114481, 126253, 146611, 158203, 171991, 188191, 218791, 226801]