Least k > 0 such that gcd(k^n+5, (k+1)^n+5) > 1, or 0 if there is no such k.

Terms

a(0) =1a(1) =0a(2) =1a(3) =5a(4) =1a(5) =533360a(6) =1a(7) =55a(8) =1a(9) =7a(10) =1a(12) =1a(13) =41a(14) =1a(15) =5a(16) =1a(17) =3775a(18) =1a(19) =42296a(20) =1a(21) =7a(22) =1a(24) =1a(25) =21a(26) =1a(27) =5a(28) =1a(29) =1619a(30) =1a(31) =42842