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 A082736 #7 Aug 07 2015 03:06:19 %S A082736 1,4,105,120,109395,55440,1856277675,42325920,966710699955,7210803600, %T A082736 303646176781042095,43790142876480,2432266195067253069525, %U A082736 6338767304469600,12793596869123737224933375,659267412349963697280 %N A082736 LCM of n-th group of terms in A074147. %F A082736 a(1) = 1, a(2n) = LCM of next 2n even numbers. a(2n+1) = LCM of next 2n+1 odd numbers. %p A082736 A061925 := proc(n) ceil(n^2/2)+1 ; end: A082736 := proc(n) seq(A061925(n-1)+2*k,k=0..n-1) ; ilcm(%) ; end: seq(A082736(n),n=1..20) ; # _R. J. Mathar_, Jul 17 2007 %Y A082736 Cf. A074147, A074148, A074149, A082735. %K A082736 nonn %O A082736 1,2 %A A082736 _Amarnath Murthy_, Apr 14 2003 %E A082736 More terms from _R. J. Mathar_, Jul 17 2007