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A228127 Numbers n such that first n digits of A091724 (Decimal expansion of E^(2*EulerGamma)) gives a prime number. 0
1, 2, 3, 1080 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
a(5) > 10^4.
LINKS
Eric Weisstein's World of Mathematics, ConstantPrimes
Eric Weisstein's World of Mathematics, IntegerSequencePrimes
MATHEMATICA
nn=1100; With[{c=RealDigits[E^(2*EulerGamma), 10, nn][[1]]}, Select[ Range[ nn], PrimeQ[FromDigits[Take[c, #]]]&]] (* Harvey P. Dale, Nov 13 2014 *)
CROSSREFS
Cf. A091724.
Sequence in context: A136611 A004898 A062920 * A327660 A036111 A359323
KEYWORD
nonn,more,base
AUTHOR
Robert Price, Aug 26 2013
STATUS
approved

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Last modified May 22 15:18 EDT 2024. Contains 372758 sequences. (Running on oeis4.)