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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.

A381084 Column k=1 of Brent's table A381083 related to prime gaps 2n.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 4
6 30
7 18
8 15
9 30
10 180
11 150
12 2970
13 1620
14 1782
15 3960
16 22275
17 23760
18 757350
19 400950
20 504900
21 908820
22 8835750
23 8330850
24 15904350
25 10602900
26 8675100
27 15904350
28 257650470
29 222660900
30 16604141400
31 6441261750
32 6226553025
33 13836784500
34 6641656560
35 9962484840
36 435858711750
37 224155908900
38 230748729750
39 475482231000
40 11332326505500
41 8717174235000

List of values

[1, 1, 2, 3, 4, 30, 18, 15, 30, 180, 150, 2970, 1620, 1782, 3960, 22275, 23760, 757350, 400950, 504900, 908820, 8835750, 8330850, 15904350, 10602900, 8675100, 15904350, 257650470, 222660900, 16604141400, 6441261750, 6226553025, 13836784500, 6641656560, 9962484840, 435858711750, 224155908900, 230748729750, 475482231000, 11332326505500, 8717174235000]

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

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