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A104923 Primes from merging of 9 successive digits in decimal expansion of Catalan's Constant. 1
323841107, 428167213, 266498119, 981196217, 621763019, 776254769, 625476947, 226191961, 196199579, 594315947, 332028773, 903872747, 640878659, 259957741, 488380787, 322599713, 485407553, 573394231, 319149829, 418086217, 303248753 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Decimal Expansion of Catalan's Constant done to 50000 digits by Greg Fee.

Eric Weissten's Math Pages, Catalan's Constant

MATHEMATICA

Select[FromDigits/@Partition[RealDigits[Catalan, 10, 500][[1]], 9, 1], PrimeQ[#]&&#>99999999&] (* Vincenzo Librandi, Apr 23 2013 *)

CROSSREFS

Sequence in context: A157789 A184573 A112429 * A153753 A035794 A260083

Adjacent sequences:  A104920 A104921 A104922 * A104924 A104925 A104926

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

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Last modified May 26 23:51 EDT 2019. Contains 323597 sequences. (Running on oeis4.)