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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.

A133697 a(n) = smallest number k such that P(k)/P(k+1) > P(k+1)/P(k+2) > ... > P(k+n+1)/P(k+n+2), where P(k) = k-th prime = A000040(k).

Table of values

n a(n)
0 1
1 7
2 69
3 420
4 1796
5 12073
6 101397
7 1139211
8 5440508
9 320620306
10 2058187481
11 36451609409
12 54594153615
13 4100904808215

List of values

[1, 7, 69, 420, 1796, 12073, 101397, 1139211, 5440508, 320620306, 2058187481, 36451609409, 54594153615, 4100904808215]

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

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