a(n) = smallest k having at least four prime divisors d such that (d + n) | (k + n).

Terms

a(0) =8855a(1) =11590a(2) =27885a(3) =122360a(4) =16555a(5) =10290a(6) =6545a(7) =61642a(8) =71799a(9) =65195a(10) =14245a(11) =142788a(12) =63635a(13) =580930a(14) =39585a(15) =21098a(16) =69003a(17) =258482a(18) =59885a(19) =378952a(20) =8715a(21) =266090a(22) =133285a(23) =690501a(24) =27335a(25) =704790a(26) =1017423a(27) =299222a(28) =187891a(29) =771650