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%I #8 Oct 04 2017 14:05:26
%S 1,2,2,6,2,36,2,30,12,108,2,2700,2,180,216,210,2,48600,2,40500,360,
%T 1620,2,661500,36,2700,1080,94500,2,153090000,2,2310,3240,3780,1080,
%U 4465125000,2,40500,5400,69457500,2,34445250000,2,21262500,4082400,56700,2,560290500,60,127575000,7560,49612500,2,1205583750000,9720,254677500,81000,132300,2
%N a(n) = Product_{d|n, d<n} A260443(d).
%H Antti Karttunen, <a href="/A293216/b293216.txt">Table of n, a(n) for n = 1..1024</a>
%F a(n) = Product_{d|n, d<n} A260443(d).
%F For all n >= 0, a(2^n) = A002110(n).
%F For all n >= 1, A007814(a(n)) = A091954(n) and A048675(a(n)) = A001065(n).
%o (PARI)
%o A003961(n) = my(f = factor(n)); for (i=1, #f~, f[i, 1] = nextprime(f[i, 1]+1)); factorback(f); \\ This function from _Michel Marcus_
%o A260443(n) = if(n<2, n+1, if(n%2, A260443(n\2)*A260443(n\2+1), A003961(A260443(n\2))));
%o A293216(n) = { my(m=1); fordiv(n,d,if(d < n,m *= A260443(d))); m; };
%Y Cf. A048675, A260443, A293217 (restricted growth sequence transform), A293214 (a variant).
%Y Cf. also A001065, A091954.
%K nonn
%O 1,2
%A _Antti Karttunen_, Oct 03 2017