A118420 Indices of Glaisher-primes: values n such that the concatenation of the first n decimal digits of the Glaisher-Kinkelin constant is prime.

7, 10, 18, 64, 71, 527, 1992, 5644, 8813, 19692

Offset: 1

Author

Eric W. Weisstein, Apr 27 2006

Keywords

• nonn
• more
• base

Examples

			A = 1.282427129100622636..., 1282427--the concatenation of the first 7 decimal digits--is prime, so a(1)=7.
		

Links

• Eric Weisstein's World of Mathematics, Constant Primes
• Eric Weisstein's World of Mathematics, Glaisher-Kinkelin Constant Digits
• Eric Weisstein's World of Mathematics, Integer Sequence Primes

Crossrefs

Cf. A074962, A118419.

Extensions

a(10) = 19692 from Eric W. Weisstein, Apr 29 2006

Edited by Charles R Greathouse IV, Apr 27 2010