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 A092751 #9 Jan 21 2019 19:01:55 %S A092751 5,19,251,48619,155117519,30067266499541039,6637553085023755473070799, %T A092751 399608854866744452032002440111, %U A092751 5717214010165655645594487649236004008072121335004636113518216597999 %N A092751 Primes of the form (2*n)!/(n!)^2 - 1. %t A092751 Binomial[2#, # ] - 1 & /@ Select[ Range[150], PrimeQ[(2#)!/#!^2 - 1] &] (* _Robert G. Wilson v_, Apr 14 2004 *) %Y A092751 Cf. A000984, A066726. %Y A092751 Cf. A075840 = n such that (2*n)!/(n!)^2-1 is prime, A112860 = primes of the form (2*n)!/(n!)^2+1. %K A092751 nonn %O A092751 1,1 %A A092751 _Jorge Coveiro_, Apr 12 2004 %E A092751 Corrected and extended by _Robert G. Wilson v_, Apr 14 2004