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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.

A065847 Let u be any string of n digits from {0,...,5}; let f(u) = number of distinct primes, not beginning with 0, formed by permuting the digits of u to a base-6 number; then a(n) = max_u f(u).

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 21
6 60
7 269
8 1147
9 4250
10 17883
11 71966
12 342060
13 1724337
14 8428101
15 37186164
16 175845403

List of values

[1, 2, 4, 8, 21, 60, 269, 1147, 4250, 17883, 71966, 342060, 1724337, 8428101, 37186164, 175845403]

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

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