# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/

Search: id:a152452
Showing 1-1 of 1

%I A152452 #20 Apr 29 2023 12:06:42
%S A152452 1,2,3,6,10,15,21,30,42,70,105,110,210,330,390,462,546,770,910,1155,
%T A152452 1365,2310,2730,3570,3990,4290,4830,5610,6006,6270,6630,7854,10010,
%U A152452 15015,30030,39270,43890,46410,51870,53130,62790,67830,72930,81510,82110,84630,102102
%N A152452 Records in A152235.
%H A152452 Amiram Eldar, <a href="/A152452/b152452.txt">Table of n, a(n) for n = 1..87</a>
%e A152452 First few terms of A152235 are 1, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 6, so a(1) to a(4) are 1, 2, 3, 6.
%o A152452 (Magma) R:=[]; r:=0; for n in [1..1300000] do a:=&*PrimeDivisors(NumberOfDivisors(n)); if r lt a then r:=a; Append(~R,a); end if; end for; print R;
%Y A152452 Cf. A152235 (largest squarefree number dividing the number of divisors of n), A152453 (where records occur in A152235), A007947 (largest squarefree number dividing n).
%K A152452 nonn
%O A152452 1,2
%A A152452 _Klaus Brockhaus_, Dec 04 2008
%E A152452 a(15)-a(18) from _Sean A. Irvine_, Mar 09 2011
%E A152452 a(19)-a(20) from _Donovan Johnson_, Jul 30 2011
%E A152452 More terms from _Amiram Eldar_, Sep 01 2019

# Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE