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 A114993 #6 Jul 11 2015 10:55:24 %S A114993 18446744073709551616,1333735776850284124449081472843776, %T A114993 106387358923716524807713475752456393740167855629859291136, %U A114993 12089258196146291747061760000000000000000000000000000000000000000 %N A114993 (n-th 4-almost prime)^(n-th 4-almost prime). %C A114993 4-almost prime analog of A051674. A114850 is semiprime analog of A051674. a(5) = 56^56 has 94 digits. %F A114993 a(n) = A014613(n)^A014613(n). %e A114993 a(1) = A014613(1)^A014613(1) = 16^16 = 18446744073709551616 = 2^64. %e A114993 a(2) = A014613(2)^A014613(2) = 24^24 = 1333735776850284124449081472843776 = 2^72 * 3^24. %e A114993 a(3) = A014613(3)^A014613(3) = 36^36 = 2^72 * 3^72. %Y A114993 Cf. A001358, A014613, A051674, A113877, A114850. %K A114993 easy,nonn %O A114993 1,1 %A A114993 _Jonathan Vos Post_, Feb 22 2006