This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A103511 #8 Jan 22 2024 05:57:18
%S A103511 2,5,17,107,947,10399,135151,2027033,34459429,654729139,13749310577,
%T A103511 316234143227,7905853580633,213458046676877,6190283353629379,
%U A103511 191898783962510743,6332659870762850657,221643095476699771957,8200794532637891559553,319830986772877770815629
%N A103511 Smallest prime > double factorial number A001147(n).
%e A103511 1!!=1, 2 is the first prime greater than 1;
%e A103511 6!!=10395, 10399 is the first prime greater than 10395.
%t A103511 Table[NextPrime[(2n-1)!!],{n,20}] (* _James C. McMahon_, Jan 21 2024 *)
%Y A103511 Cf. A001147.
%K A103511 nonn
%O A103511 1,1
%A A103511 _Lei Zhou_, Feb 15 2005
%E A103511 a(19)-a(20) from _James C. McMahon_, Jan 21 2024