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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.

A303811 Least k such that A006666(k)/A006667(k) = prime(n).

Table of values

n a(n)
1 159
2 6
3 10
4 40
5 640
6 2560
7 40960
8 163840
9 2621440
10 167772160
11 671088640
12 42949672960
13 687194767360
14 2748779069440
15 43980465111040
16 2814749767106560
17 180143985094819840
18 720575940379279360
19 46116860184273879040
20 737869762948382064640
21 2951479051793528258560

List of values

[159, 6, 10, 40, 640, 2560, 40960, 163840, 2621440, 167772160, 671088640, 42949672960, 687194767360, 2748779069440, 43980465111040, 2814749767106560, 180143985094819840, 720575940379279360, 46116860184273879040, 737869762948382064640, 2951479051793528258560]

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

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