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.

A327240 3-smooth numbers k such that k-1 and (k-2)/2 are prime.

Table of values

n a(n)
1 6
2 8
3 12
4 24
5 48
6 108
7 384
8 864
9 8748
10 995328
11 2348273369088
12 7421703487488
13 21422803359744
14 3470494144278528
15 161919374795459002368
16 1838129271989302091317248
17 2168345519443636233418208968704
18 28070062609828769223367060340342784

List of values

[6, 8, 12, 24, 48, 108, 384, 864, 8748, 995328, 2348273369088, 7421703487488, 21422803359744, 3470494144278528, 161919374795459002368, 1838129271989302091317248, 2168345519443636233418208968704, 28070062609828769223367060340342784]

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

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