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A138394 Smallest number with a(n) divisors is in A134865. 3

%I #6 Mar 30 2012 19:00:37

%S 1,2,3,4,6,8,9,10,16,20,24,30,48,60,64,72,80,84,100,108,126,162,189,

%T 192,224,384,448,512,576,672,11520

%N Smallest number with a(n) divisors is in A134865.

%C The indices of elements of A005179 that belong to A134865. Sorted version of the sequence A140752. - _Max Alekseyev_, May 26 2008

%F a(n) = A000005(A140753(n)) - _Max Alekseyev_, May 26 2008

%e 8 is in this sequence because the smallest number with 8 divisors (24) is a member of A134865.

%Y Cf. A000005, A005179, A134865, A140752, A140753.

%K more,nonn

%O 1,2

%A _J. Lowell_, May 08 2008

%E a(31)=11520 from _Ray Chandler_, Jun 30 2008

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Last modified April 19 15:11 EDT 2024. Contains 371794 sequences. (Running on oeis4.)