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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.

A065849 Let u be any string of n digits from {0,...,7}; let f(u) = number of distinct primes, not beginning with 0, formed by permuting the digits of u to a base-8 number; then a(n) = max_u f(u).

Table of values

n a(n)
1 1
2 2
3 3
4 11
5 23
6 113
7 425
8 1912
9 11872
10 57918
11 303157
12 1757094
13 9777949
14 59129172

List of values

[1, 2, 3, 11, 23, 113, 425, 1912, 11872, 57918, 303157, 1757094, 9777949, 59129172]

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

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