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 A262206 #45 Sep 08 2022 08:46:14 %S A262206 2,24,2520,604800,54486432000,53353114214400,35905578804006912000, %T A262206 80018147048929689600000,203939450748460387344384000000, %U A262206 1441310123089178548721360295690240000000,9218619547278385997621820451234775040000000 %N A262206 Product of prime(n) consecutive numbers starting from n. %C A262206 a(n) is always divisible by A039716(n). %F A262206 a(n) = (prime(n) + n - 1)! / (n-1)!. %e A262206 For n=1, a(1) = 1*2 = 2. %e A262206 For n=2, a(2) = 2*3*4 = 24. %e A262206 For n=3, a(3) = 3*4*5*6*7 = 2520. %e A262206 For n=4, a(4) = 4*5*6*7*8*9*10 = 604800. %p A262206 A262206:=n->(ithprime(n)+n-1)! / (n-1)!: seq(A262206(n), n=1..15); # _Wesley Ivan Hurt_, Sep 15 2015 %t A262206 Table[(Prime[n] + n - 1)!/(n - 1)!, {n, 15}] (* _Michael De Vlieger_, Sep 15 2015 *) %o A262206 (PARI) a(n) = (prime(n)+n-1)! / (n-1)!; %o A262206 vector(15,n,a(n)) %o A262206 (PARI) a(n)=factorback([n..n+prime(n)-1]) \\ _Charles R Greathouse IV_, Sep 21 2015 %o A262206 (Magma) [Factorial(NthPrime(n)+n-1)/Factorial(n-1): n in [1..15]]; // _Vincenzo Librandi_, Sep 16 2015 %Y A262206 Cf. A075069: product of prime(n) consecutive numbers starting from prime(n). %Y A262206 Cf. A014688, A039716, A075068, A262204. %K A262206 nonn,easy %O A262206 1,1 %A A262206 _Altug Alkan_, Sep 15 2015