A118327 Khinchin primes: values of n such that the concatenation of the first n decimal digits of Khinchin's constant is prime.
1, 407, 878, 4443, 4981, 6551, 13386, 28433
Offset: 1
Examples
K = 2.685..., 2--the concatenation of the first 1 decimal digits--is prime, so a(1)=1
Links
- Eric Weisstein's World of Mathematics, Constant Primes
- Eric Weisstein's World of Mathematics, Khinchin's Constant Digits
- Eric Weisstein's World of Mathematics, Integer Sequence Primes
Crossrefs
Cf. A002210.
Extensions
More terms from Eric W. Weisstein, Apr 28 2006
a(8) = 28433 from Eric W. Weisstein, Apr 27 2006