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 A247194 #28 May 22 2016 15:20:36 %S A247194 0,4,26,85,202,393,679,1078,1609,2291,3142,4182,5429,6903,8621,10603, %T A247194 12868,15435,18322,21549,25133,29095,33452,38224,43430,49088,55217, %U A247194 61836,68965,76621,84824,93592,102944,112900,123478,134696,146575,159132,172386,186357,201062,216522,232755 %N A247194 a(n) = ceiling(Pi*n^3). %F A247194 a(n) = A121381(n^3). - _R. J. Mathar_, Nov 27 2014 %t A247194 Ceiling[Pi*Range[0,50]^3] (* _Harvey P. Dale_, May 22 2016 *) %o A247194 (PARI) vector(100,n,ceil(Pi*(n-1)^3)) \\ _Derek Orr_, Nov 26 2014 %K A247194 nonn,easy %O A247194 0,2 %A A247194 _Kaylan Purisima_, Nov 24 2014