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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.

A265201 Numbers n such that n!!! - 3^10 is prime, where n!3 = n!!! is a triple factorial number (A007661).

Table of values

n a(n)
1 19
2 20
3 22
4 26
5 41
6 55
7 56
8 152
9 155
10 316
11 347
12 383
13 500
14 556
15 646
16 656
17 748
18 976
19 1433
20 2213
21 2680
22 2911
23 3373
24 4799
25 4964
26 7189
27 8798
28 9871
29 14069
30 14627
31 16657
32 20230
33 24137
34 24430
35 28331
36 36313
37 41522
38 43031
39 46072
40 47719

List of values

[19, 20, 22, 26, 41, 55, 56, 152, 155, 316, 347, 383, 500, 556, 646, 656, 748, 976, 1433, 2213, 2680, 2911, 3373, 4799, 4964, 7189, 8798, 9871, 14069, 14627, 16657, 20230, 24137, 24430, 28331, 36313, 41522, 43031, 46072, 47719]

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

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