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 A118327 Khinchin primes: values of n such that the concatenation of the first n decimal digits of Khinchin's constant is prime. 1
 1, 407, 878, 4443, 4981, 6551, 13386, 28433 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 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 EXAMPLE K = 2.685..., 2--the concatenation of the first 1 decimal digits--is 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

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Last modified December 5 17:16 EST 2022. Contains 358588 sequences. (Running on oeis4.)