A104921 Primes from merging of 7 successive digits in decimal expansion of Catalan's constant.

7414937, 8167213, 3426649, 9621763, 2176301, 3565129, 5129261, 4422619, 6199579, 3325859, 5905943, 7374811, 5840699, 2028773, 2877331, 8773319, 9090247, 2388259, 2599577, 1560707, 8380787, 1132259, 1322599, 7685653

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, 1000][[1]], 7, 1], PrimeQ[#]&&#>999999&] (* Vincenzo Librandi, Apr 22 2013 *)

Crossrefs

Cf. A006752 (Catalan's constant).

Cf. A104916, A104917, A104918, A104919, A104920, A104922, A104923.

Sequence in context: A269220 A268406 A302135 * A202721 A233702 A233707

Adjacent sequences: A104918 A104919 A104920 * A104922 A104923 A104924

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