A071614 a(n) is the smallest emirp that is the first of n consecutive emirps with equal digit sum.

13, 79, 15919, 197837, 3528871, 110539181, 731854429, 9819391129

Offset: 1

Author

Klaus Brockhaus, May 27 2002

Keywords

• base
• more
• nonn

Comments

a(9) > 10^11. - Donovan Johnson, Nov 07 2010

Examples

			a(3) = 15919, since 15919,15937,15973 are three consecutive emirps with digit sum 25 and this is the first occurrence of three consecutive emirps with equal digit sum.
		

Crossrefs

Cf. A006567, A070905, A071612, A071613.

Extensions

a(7)-a(8) from Donovan Johnson, Nov 07 2010