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 A071343 #7 Oct 19 2017 03:14:02 %S A071343 1,2,9,14,14,26,41,41,74,89,101,101,146,194,194,194,269,314,341,341, %T A071343 341,446,446,446,614,626,689,689,794,854,941,941,941,1154,1154,1286, %U A071343 1361,1361,1361,1361,1634,1634,1781,1889,1889,1889,2141,2141 %N A071343 a(n) = least positive r <= n, such that the origin-centered sphere of radius sqrt(r) touches A071342(n) lattice points. %e A071343 a(5)=14 because the smallest sphere to touch A071342(5)=48 points has radius sqrt(14). %o A071343 (FORTRAN) See A071339. %Y A071343 Cf. A071339, A071340, A071341, A071342, A071343, A071344, A071345, A071346, A071347. A071609. %K A071343 easy,nonn %O A071343 1,2 %A A071343 _Hugo Pfoertner_, May 22 2002 %E A071343 Edited by _Don Reble_, Nov 06 2005