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A118420 Indices of Glaisher-primes: values n such that the concatenation of the first n decimal digits of the Glaisher-Kinkelin constant is prime. 2
7, 10, 18, 64, 71, 527, 1992, 5644, 8813, 19692 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
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
EXAMPLE
A = 1.282427129100622636..., 1282427--the concatenation of the first 7 decimal digits--is prime, so a(1)=7.
CROSSREFS
Sequence in context: A124187 A328117 A155027 * A196939 A038211 A122226
KEYWORD
nonn,more,base
AUTHOR
Eric W. Weisstein, Apr 27 2006
EXTENSIONS
a(10) = 19692 from Eric W. Weisstein, Apr 29 2006
Edited by Charles R Greathouse IV, Apr 27 2010
STATUS
approved

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Last modified July 19 22:34 EDT 2024. Contains 374441 sequences. (Running on oeis4.)