%I #9 Jan 25 2025 17:12:41
%S 1,2,3,6,11,14,15,24,27,36,39,41,42,51,54,56,57,66,69,74,77,87,93,96,
%T 107,114,122,126,129,131,132,143,150,162,165,189,195,200,215,227,230,
%U 234,236,237,252,258,260,261,276,282,284,285,300,306,308,309,324,330
%N Let b(1)=b(2)=1, b(k+2)=gcd(k!,b(k+1)+b(k)); sequence gives values of k such that b(k)=1.
%F a(n) seems to be asymptotic to c*n*log(n) with 1<c<3/2
%K nonn
%O 1,2
%A _Benoit Cloitre_, Sep 05 2002
%E a(2) corrected by _Sean A. Irvine_, Jan 25 2025