a(n) = gcd(A000108(n), A000110(n)).

Terms

a(0) =1a(1) =2a(2) =5a(3) =1a(4) =2a(5) =1a(6) =1a(7) =10a(8) =1a(9) =1a(10) =2a(11) =1a(12) =1a(13) =2a(14) =5a(15) =1a(16) =6a(17) =7a(18) =1a(19) =4a(20) =3a(21) =3a(22) =2a(23) =3a(24) =37a(25) =34a(26) =47a(27) =5a(28) =68a(29) =53