Greatest common divisor of largest square dividing n! and squarefree part of n!.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =1a(6) =1a(7) =2a(8) =2a(9) =1a(10) =1a(11) =3a(12) =3a(13) =6a(14) =10a(15) =10a(16) =10a(17) =5a(18) =5a(19) =1a(20) =21a(21) =42a(22) =42a(23) =7a(24) =7a(25) =14a(26) =42a(27) =6a(28) =6a(29) =5