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 A089014 #5 Jan 23 2015 16:15:49
%S A089014 0,1,2,-1,18,35,38,65,190,159,120,-17,310,919,242,665,360,521,614,
%T A089014 1751,578,651,616,2197,3234,1007,1592,-39,1720,6583,3190,3985,2570,
%U A089014 1161,3334,2065,4846,-5,1580,3827,2172,-55,4100,3077,1876,10893,4514,11131,2514,4089,2840
%N A089014 n*nextprime((n-1)!)-nextprime(n!).
%t A089014 Table[n NextPrime[(n-1)!]-NextPrime[n!],{n,60}] (* _Harvey P. Dale_, Jan 23 2015 *)
%Y A089014 Cf. A090660.
%K A089014 sign
%O A089014 1,3
%A A089014 _N. J. A. Sloane_, Dec 20 2003