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A103511 Smallest prime > double factorial number A001147(n). 1

%I #8 Jan 22 2024 05:57:18

%S 2,5,17,107,947,10399,135151,2027033,34459429,654729139,13749310577,

%T 316234143227,7905853580633,213458046676877,6190283353629379,

%U 191898783962510743,6332659870762850657,221643095476699771957,8200794532637891559553,319830986772877770815629

%N Smallest prime > double factorial number A001147(n).

%e 1!!=1, 2 is the first prime greater than 1;

%e 6!!=10395, 10399 is the first prime greater than 10395.

%t Table[NextPrime[(2n-1)!!],{n,20}] (* _James C. McMahon_, Jan 21 2024 *)

%Y Cf. A001147.

%K nonn

%O 1,1

%A _Lei Zhou_, Feb 15 2005

%E a(19)-a(20) from _James C. McMahon_, Jan 21 2024

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Last modified April 19 03:05 EDT 2024. Contains 371782 sequences. (Running on oeis4.)