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Search: id:A118420
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| A118420 |
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Indices of Glaisher-primes: values n such that the concatenation of the first n decimal digits of the Glaisher-Kinkelin constant is prime. |
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+0
2
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OFFSET
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1,1
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LINKS
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Eric Weisstein's World of Mathematics, Glaisher-Prime
Eric Weisstein's World of Mathematics, Integer Sequence Primes
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EXAMPLE
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A = 1.282427129100622636..., 1282427--the concatenation of the first 7 decimal digits--is prime, so a(1)=7
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CROSSREFS
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Cf. A074962, A118419.
Adjacent sequences: A118417 A118418 A118419 this_sequence A118421 A118422 A118423
Sequence in context: A098748 A020692 A124187 this_sequence A038211 A122226 A064210
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KEYWORD
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nonn,more
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Apr 27, 2006
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EXTENSIONS
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a(10) = 19692 from Eric Weisstein (eric(AT)weisstein.com), Apr 29, 2006
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