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

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.

Sequence in context: A184573 A112429 A364265 * 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