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 A018086 #8 Jul 08 2025 06:24:08 %S A018086 1,2,4,8,14,28,53,102,196,380,734,1419,2744,5308,10268,19861,38416, %T A018086 74310,143740,278041,537824,1040333,2012354,3892568,7529536,14564656, %U A018086 28172944,54495952,105413504,203905180 %N A018086 Powers of fourth root of 14 rounded up. %t A018086 Ceiling[Surd[14,4]^Range[0,30]] (* _Harvey P. Dale_, Sep 16 2016 *) %K A018086 nonn %O A018086 0,2 %A A018086 _N. J. A. Sloane_