

A104916


Primes from merging of 2 successive digits in decimal expansion of Catalan's constant.


8



59, 59, 41, 17, 19, 23, 41, 11, 41, 37, 67, 13, 11, 19, 17, 19, 97, 47, 47, 79, 29, 61, 11, 61, 19, 19, 61, 19, 79, 89, 59, 59, 43, 31, 59, 47, 73, 37, 11, 53, 73, 31, 19, 19, 47, 59, 47, 41, 23, 59, 41, 97, 47, 11, 83, 73, 37, 89, 47, 11, 13, 59, 97, 71, 13, 43, 53, 23, 53
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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, 100][[1]], 2, 1], PrimeQ[#]&&#>9&] (* Vincenzo Librandi, Apr 23 2013 *)


CROSSREFS

Cf. A006752 (Catalan's constant).
Cf. A104917, A104918, A104919, A104920, A104921, A104922, A104923.
Sequence in context: A278372 A273183 A292093 * A172462 A042739 A172256
Adjacent sequences: A104913 A104914 A104915 * A104917 A104918 A104919


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



