A137911 - OEIS

%I #5 Mar 30 2012 18:50:59

%S 0,1,1,3,4,1,5,6,7,3,8,9,10,1,11,12,13,5,15,16,17,6,18,3,19,20,21,7,

%T 22,23,24,25,26,1,27,28,4,29,30,9,31,32,33,34,35,10,36,37,38,39,40,5,

%U 11,41,42,43,44,45,46,12,47,48,49,3,50,51,13,52,53,54,6,55,56,57,14,58,59,60

%N Smallest of at least two consecutive numbers whose product is A045619(n).

%C A045619(n)=A000142(a(n))/A000142(A137912(n)-1) for n>1.

%H R. Zumkeller, <a href="/A137911/b137911.txt">Table of n, a(n) for n = 1..5000</a>

%e a(24) = 3, A137912(24) = 6: A045619 = 3*4*5*6 = 360.

%K nonn

%O 1,4

%A _Reinhard Zumkeller_, Feb 27 2008