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A104923
Primes from merging of 9 successive digits in decimal expansion of Catalan's constant.
8
323841107, 428167213, 266498119, 981196217, 621763019, 776254769, 625476947, 226191961, 196199579, 594315947, 332028773, 903872747, 640878659, 259957741, 488380787, 322599713, 485407553, 573394231, 319149829, 418086217, 303248753
OFFSET
1,1
LINKS
Greg Fee, Decimal Expansion of Catalan's Constant done to 50000 digits.
Eric Weisstein's World of Mathematics, Catalan's Constant
MATHEMATICA
Select[FromDigits/@Partition[RealDigits[Catalan, 10, 500][[1]], 9, 1], PrimeQ[#]&&#>99999999&] (* Vincenzo Librandi, Apr 23 2013 *)
CROSSREFS
Cf. A006752 (Catalan's constant).
Sequence in context: A184573 A112429 A364265 * A153753 A035794 A260083
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 23 2013
STATUS
approved