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A104920 Primes from merging of 6 successive digits in decimal expansion of Catalan's constant. 8
417721, 149323, 107741, 774149, 741493, 428167, 167213, 498119, 630197, 762547, 935651, 988033, 159473, 202877, 190387, 872747, 878659, 388259, 882599, 150881, 248201, 883807, 787337, 477511, 599713, 532307, 653357, 206803, 823573, 423191 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Greg Fee, Decimal Expansion of Catalan's Constant done to 50000 digits, Miscellaneous Mathematical Constants, edited by Simon Plouffe, Gutenberg Project.
Eric Weisstein's World of Mathematics, Catalan's Constant
MATHEMATICA
Select[FromDigits/@Partition[RealDigits[Catalan, 10, 800][[1]], 6, 1], PrimeQ[#]&&#>99999&] (* Vincenzo Librandi, Apr 22 2013 *)
CROSSREFS
Cf. A006752 (Catalan's constant).
Sequence in context: A183591 A184770 A236909 * A151838 A259404 A116936
KEYWORD
nonn,base
AUTHOR
Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005
EXTENSIONS
Changed offset from 0 to 1 by Vincenzo Librandi, Apr 22 2013
STATUS
approved

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Last modified July 18 18:59 EDT 2024. Contains 374388 sequences. (Running on oeis4.)