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Least number m having n divisors that are also suffixes of m in binary representation.
2

%I #8 May 02 2014 00:25:31

%S 1,3,15,63,735,4095,185535,5810175,1277603775

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

%C a(n) = Min{k: A080942(k)=n}; A080942(a(n)) = n.

%C 2^32 < a(10) <= 12754994175. a(11) <= 5301966462975. - _Donovan Johnson_, Oct 28 2010

%e a(1)=A000079(0)=1; a(2)=A080943(1)=3; a(3)=A080946(1)=15.

%Y Cf. A080940, A080941, A007088.

%K nonn,more,base

%O 1,2

%A _Reinhard Zumkeller_, Feb 25 2003

%E a(7)-a(9) from _Donovan Johnson_, Oct 28 2010