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

1, 2, 3, 4, 6, 8, 9, 10, 16, 20, 24, 30, 48, 60, 64, 72, 80, 84, 100, 108, 126, 162, 189, 192, 224, 384, 448, 512, 576, 672, 11520

Offset: 1

Author

J. Lowell, May 08 2008

Keywords

• more
• nonn

Comments

The indices of elements of A005179 that belong to A134865. Sorted version of the sequence A140752. - Max Alekseyev, May 26 2008

Examples

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

Crossrefs

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

Formula

a(n) = A000005(A140753(n)) - Max Alekseyev, May 26 2008

Extensions

a(31)=11520 from Ray Chandler, Jun 30 2008