Least k > 0 such that gcd(k^n+3, (k+1)^n+3) > 1, or 0 if there is no such k.

Terms

a(0) =1a(1) =0a(2) =6a(3) =56a(4) =3a(5) =29a(6) =96a(7) =1159823a(8) =384a(9) =9a(10) =3a(11) =1994117680a(12) =13a(13) =247a(14) =6a(15) =15a(16) =3a(17) =1256a(18) =4a(19) =25211925041a(20) =15a(21) =5785a(22) =3a(23) =93602696971a(24) =24a(25) =11a(26) =6a(27) =182a(28) =3a(29) =4644