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.

A080948 Least number m having n divisors that are also suffixes of m in binary representation.

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%I A080948 #8 May 02 2014 00:25:31
%S A080948 1,3,15,63,735,4095,185535,5810175,1277603775
%N A080948 Least number m having n divisors that are also suffixes of m in binary representation.
%C A080948 a(n) = Min{k: A080942(k)=n}; A080942(a(n)) = n.
%C A080948 2^32 < a(10) <= 12754994175. a(11) <= 5301966462975. - _Donovan Johnson_, Oct 28 2010
%e A080948 a(1)=A000079(0)=1; a(2)=A080943(1)=3; a(3)=A080946(1)=15.
%Y A080948 Cf. A080940, A080941, A007088.
%K A080948 nonn,more,base
%O A080948 1,2
%A A080948 _Reinhard Zumkeller_, Feb 25 2003
%E A080948 a(7)-a(9) from _Donovan Johnson_, Oct 28 2010