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.

A370999 Least composite number k such that the number m of consecutive composite sums k + j*(j+1)/2, j = 1, ..., m is a new maximum.

Table of values

n a(n)
1 4
2 8
3 9
4 15
5 24
6 90
7 105
8 114
9 225
10 264
11 300
12 945
13 5349
14 7035
15 11739
16 17280
17 35475
18 46914
19 190365
20 351645
21 603054
22 1209900
23 3146220
24 3279864
25 6407664
26 26447649
27 115192665
28 408291345
29 1080430119
30 1298351109
31 6459163344
32 7731193299
33 8096124894
34 8884256514
35 18927105834

List of values

[4, 8, 9, 15, 24, 90, 105, 114, 225, 264, 300, 945, 5349, 7035, 11739, 17280, 35475, 46914, 190365, 351645, 603054, 1209900, 3146220, 3279864, 6407664, 26447649, 115192665, 408291345, 1080430119, 1298351109, 6459163344, 7731193299, 8096124894, 8884256514, 18927105834]