At 05:50 PM 8/20/2005, hv at crypt.org wrote: :n a(n) >:1 1 >:2 422 >:3 174 >:5 22830 >:6 <=1292013541080148674 >:7 234374 >[...] > >Um, 422+2 is not squarefree. > >Did you mean "what is the smallest consecutive squarefree a, b such that >gcd(a, b) = n"? If so, I can confirm 1,2,3,5,7; And I find no other terms < 2^32.