A074111 Smallest n-digit squarefree number with maximum number of prime divisors.

6, 30, 210, 2310, 30030, 510510, 9699690, 11741730, 223092870, 6469693230, 10407767370, 200560490130, 7420738134810, 10293281928930, 304250263527210, 1001230315195110, 13082761331670030, 614889782588491410, 1004819888620217670, 32589158477190044730, 100015003602410826930, 1922760350154212639070, 10001176639143305045430, 117288381359406970983270

Offset: 1

Author

Amarnath Murthy, Aug 27 2002

Keywords

• base
• nonn

Comments

The next term (the 8th) would be different from (the 9th) that of A002110.

A002110 is a subsequence. The number of prime factors of a(1), a(2), a(3) etc. are 2, 3, 4, 5, 6, 7, 8, 8, 9, 10, 10, 11, 12, 12, 13, 13, 14, 15, 15, 16, 16, 17, 17, 18 etc. - R. J. Mathar, Mar 30 2007

Crossrefs

Cf. A074112, A002110.

Extensions

More terms from R. J. Mathar, Mar 30 2007