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A104921 Primes from merging of 7 successive digits in decimal expansion of Catalan's constant. 8
7414937, 8167213, 3426649, 9621763, 2176301, 3565129, 5129261, 4422619, 6199579, 3325859, 5905943, 7374811, 5840699, 2028773, 2877331, 8773319, 9090247, 2388259, 2599577, 1560707, 8380787, 1132259, 1322599, 7685653 (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, 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

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Last modified October 20 16:07 EDT 2021. Contains 348111 sequences. (Running on oeis4.)