A104923 - OEIS

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A104923

Primes from merging of 9 successive digits in decimal expansion of Catalan's constant.

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

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).

Cf. A104916, A104917, A104918, A104919, A104920, A104921, A104922.