Least k > 0 such that gcd(k^n+2, (k+1)^n+2) > 1, or 0 if there is no such k.

Terms

a(0) =1a(1) =0a(2) =1a(3) =51a(4) =1a(5) =40333a(6) =1a(7) =434a(8) =1a(9) =16a(10) =1a(11) =1234a(12) =1a(13) =78607a(14) =1a(15) =8310a(16) =1a(17) =817172a(18) =1a(19) =473a(20) =1a(21) =116a(22) =1a(23) =22650a(24) =1a(25) =736546059a(26) =1a(27) =22a(28) =1a(29) =1080982