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 A051544 #10 Jul 02 2025 16:01:58 %S A051544 4,7,5,13,4,19,11,5,1,31,17,37,1,43,23,7,1,1,29,61,4,67,1,73,1,79,41, %T A051544 1,1,1,47,97,1,103,53,109,1,1,59,11,1,127,1,1,1,139,71,1,1,151,1,157, %U A051544 1,163,83,13,1,1,89,181,1,1,1,193,1,199,101,1,1,211,107,1,1,223,113,229 %N A051544 Quotients of consecutive values of lcm {1, 4, 7, 10, 13 ...,(3n+1)} (A016777). %H A051544 Harvey P. Dale, <a href="/A051544/b051544.txt">Table of n, a(n) for n = 1..1000</a> %F A051544 a(n) = A051536(n)/A051536(n-1) %e A051544 a(3) = A051536(3)/A051536(2) = 140/28 = 5 %t A051544 nn=80; With[{c=Range[1,3*nn,3]},Last[#]/First[#]&/@Partition[Table[LCM@@ Take[c,n],{n,nn}],2,1]] (* _Harvey P. Dale_, Feb 23 2012 *) %Y A051544 A051536. %K A051544 easy,nonn %O A051544 1,1 %A A051544 _Asher Auel_ %E A051544 More terms from _James Sellers_