A087700 a(1) = 1, a(n) = smallest number such that the n-th partial concatenation has n divisors.

1, 1, 449, 1, 61206166658506517441, 359

Offset: 1

Author

Amarnath Murthy, Sep 26 2003

Keywords

• base
• easy
• nonn

Comments

Next term is about 6.4*10^150 and is too large to include. - David Wasserman, Jun 16 2005

Examples

			1,11,11449,114491, etc. have 1, 2, 3 and 4 divisors respectively.
11449= 107^2, 114491 = 13*8807.
		

Extensions

One more term from David Wasserman, Jun 16 2005