Squarefree part of 1!*2!*3!*...*n!: The product of factorials one through n divided by its largest square divisor.

A299700

Squarefree part of 1!*2!*3!*...*n!: The product of factorials one through n divided by its largest square divisor.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =2a(4) =15a(5) =3a(6) =105a(7) =6a(8) =105a(9) =15a(10) =1155a(11) =5a(12) =15015a(13) =70a(14) =1001a(15) =70a(16) =17017a(17) =35a(18) =323323a(19) =7a(20) =138567a(21) =154a(22) =3187041a(23) =231a(24) =3187041a(25) =6006a(26) =1062347a(27) =858a(28) =30808063a(29) =715

External references