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.

A379810 Composite numbers in A381019 which are immediately followed by another composite number, in order of their appearance.

Table of values

n a(n)
1 15
2 46
3 104
4 305
5 261
6 1691
7 380
8 406
9 508
10 1175
11 3281
12 7729
13 2827
14 10877
15 6289
16 13289
17 1737
18 4829
19 2945
20 3205
21 9673
22 1940
23 21253
24 1970
25 31921
26 21127
27 34861
28 5457
29 22219
30 120983
31 99893
32 110843
33 148613
34 105029
35 164107
36 12905
37 89279
38 15245
39 195617
40 79909
41 89827

List of values

[15, 46, 104, 305, 261, 1691, 380, 406, 508, 1175, 3281, 7729, 2827, 10877, 6289, 13289, 1737, 4829, 2945, 3205, 9673, 1940, 21253, 1970, 31921, 21127, 34861, 5457, 22219, 120983, 99893, 110843, 148613, 105029, 164107, 12905, 89279, 15245, 195617, 79909, 89827]