Greatest prime factor of n^7+1.

Terms

a(0) =2a(1) =43a(2) =547a(3) =113a(4) =449a(5) =197a(6) =911a(7) =5419a(8) =16493a(9) =909091a(10) =1623931a(11) =13063a(12) =22079a(13) =7027567a(14) =10678711a(15) =15790321a(16) =22796593a(17) =32222107a(18) =226871a(19) =10529a(20) =81867661a(21) =86969a(22) =2969a(23) =183458857a(24) =234750601a(25) =59011a(26) =2269a(27) =35771a(28) =574995877a(29) =1118041