a(1) = 1, a(n) = largest prime divisor of b(n), where b(1) = 1, b(n) = n*b(n-1) + 1 = A002627(n).

A096058

a(1) = 1, a(n) = largest prime divisor of b(n), where b(1) = 1, b(n) = n*b(n-1) + 1 = A002627(n).

Terms

    a(0) =1a(1) =3a(2) =5a(3) =41a(4) =103a(5) =1237a(6) =433a(7) =2389a(8) =2711a(9) =145007a(10) =523a(11) =164611949a(12) =232603841a(13) =201069629a(14) =132267077a(16) =204405098431a(17) =392881768421a(19) =8098687

External references