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.

A115158 Number of divisors of A006558(n).

This page as a plain text file.
%I A115158 #16 Nov 28 2018 03:39:49
%S A115158 1,2,4,6,8,8,8,24,24,24
%N A115158 Number of divisors of A006558(n).
%C A115158 a(n) is divisible by 3 for n > 7.
%C A115158 More generally, a(n) is divisible by m for all n >= 2^m. - _Max Alekseyev_, Aug 05 2015
%e A115158 phi(33) = phi(34) = phi(35) = 4, so a(3)=4.
%Y A115158 Cf. A006558.
%K A115158 nonn,more,hard
%O A115158 1,2
%A A115158 _Jud McCranie_, Jan 14 2006
%E A115158 a(10) from _Jud McCranie_, Nov 27 2018