A052247 Maximal value of smallest prime divisors of the 5 composite numbers between A031924(n) and A031925(n).

5, 5, 7, 5, 5, 7, 5, 7, 5, 7, 13, 5, 5, 11, 7, 5, 5, 5, 5, 7, 13, 5, 19, 5, 5, 5, 13, 5, 5, 19, 5, 5, 13, 11, 5, 7, 17, 11, 5, 23, 13, 7, 11, 5, 5, 17, 11, 7, 5, 19, 7, 7, 29, 23, 5, 5, 5, 5, 5, 29, 37, 5, 31, 5, 7, 5, 7, 5, 5, 11, 5, 17, 7, 13, 5, 11, 23, 5, 11, 5, 5, 5, 47, 5, 29, 5, 5, 13, 5

Offset: 1

Author

Labos Elemer, Feb 01 2000

Keywords

• nonn

Examples

			The 5 composites between A031924(1) = 23 and A031925(1) = 29 are 24, 25, 26, 27, 28; their smallest prime divisors are 2 5 2 3 2; the maximal value is 5; so a(1) = 5.
		

Crossrefs

A031924, A031925, A052158.