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 A291541 #9 Sep 10 2017 14:58:47
%S A291541 2,2,12,60,376,642,1550,2238,4118,7770,9534,15846,21966,26490,35750,
%T A291541 46934,63204,73164,94248,112812,128922,161128,185576,225062,278260,
%U A291541 315108,347596,393898,426998,478078,614064,682998,769800,827466,962166,1036806,1156866,1286448,1390878,1534754
%N A291541 a(n) = prime(n) * prime(n^2) - prime(n^3).
%C A291541 All terms are even.
%C A291541 For prime(n)^3 - prime(n^3) see A262199.
%C A291541 For prime(n)^3 - prime(n) * prime(n^2) see A291542.
%C A291541 For PrimePi(n^3) - PrimePi(n) * PrimePi(n^2) see A291539.
%F A291541 A291542(n) + a(n) = A262199(n).
%e A291541 a(2) = prime(2) * prime(4) - prime(8) = 3*7 - 19 = 2.
%t A291541 Table[ Prime[n] * Prime[n^2] - Prime[n^3], {n, 40}]
%o A291541 (PARI) a(n) = prime(n) * prime(n^2) - prime(n^3); \\ _Michel Marcus_, Sep 10 2017
%Y A291541 Cf. A000720, A123914, A262199, A291440, A291538, A291539, A291540, A291542.
%K A291541 nonn
%O A291541 1,1
%A A291541 _Jonathan Sondow_, Aug 25 2017