

A118327


Khinchin primes: values of n such that the concatenation of the first n decimal digits of Khinchin's constant is prime.


1




OFFSET

1,2


LINKS

Table of n, a(n) for n=1..8.
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


EXAMPLE

K = 2.685..., 2the concatenation of the first 1 decimal digitsis prime, so a(1)=1


CROSSREFS

Cf. A002210.
Sequence in context: A172891 A172921 A063138 * A213606 A343157 A063145
Adjacent sequences: A118324 A118325 A118326 * A118328 A118329 A118330


KEYWORD

nonn,base


AUTHOR

Eric W. Weisstein, Apr 24 2006; corrected Apr 26 2006


EXTENSIONS

More terms from Eric W. Weisstein, Apr 28 2006
a(8) = 28433 from Eric W. Weisstein, Apr 27 2006


STATUS

approved



