Least x greater than 1 such that x^n == 1 (mod i) for each i=1,2,3,...,n.

Terms

a(0) =2a(1) =3a(2) =7a(3) =5a(4) =61a(5) =11a(6) =421a(7) =13a(8) =121a(9) =71a(10) =27721a(11) =23a(12) =360361a(13) =4159a(14) =841a(15) =307a(16) =12252241a(17) =1121a(18) =232792561a(19) =2393a(20) =4398241a(21) =483209a(22) =5354228881a(23) =4093a(24) =1460244241a(25) =11232649a(26) =61934401a(27) =7598557a(29) =406639a(31) =6998993