cp's OEIS Frontend

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.

A051542 Quotients of consecutive values of LCM {b(1),...,b(n)}, b() = A000330.

This page as a plain text file.
%I A051542 #9 Jul 02 2025 16:01:58
%S A051542 5,14,3,11,13,2,17,19,1,23,5,3,29,62,1,1,37,1,41,43,1,47,7,1,53,1,1,
%T A051542 59,61,2,1,67,1,71,73,1,1,79,3,83,1,1,89,1,1,1,97,1,101,103,1,107,109,
%U A051542 1,113,1,1,1,11,1,5,254,1,131,1,1,137,139,1,1,1,1,149,151,1,1,157,1,1
%N A051542 Quotients of consecutive values of LCM {b(1),...,b(n)}, b() = A000330.
%H A051542 Reinhard Zumkeller, <a href="/A051542/b051542.txt">Table of n, a(n) for n = 1..10000</a>
%F A051542 a(n) = A051538(n+1)/A051538(n)
%e A051542 a(3) = A051538(4)/A051538(3) = 210/70 = 3
%o A051542 (Haskell)
%o A051542 a051542 n = a051542_list !! (n-1)
%o A051542 a051542_list = zipWith div (tail a051538_list) a051538_list
%o A051542 -- _Reinhard Zumkeller_, Mar 12 2014
%Y A051542 Cf. A051538,A051543.
%K A051542 easy,nonn
%O A051542 1,1
%A A051542 _Asher Auel_
%E A051542 Corrected and extended by _James Sellers_
%E A051542 Example fixed by _Reinhard Zumkeller_, Mar 12 2014