9116385915domain: NAppears in sequencesDiagonal of A083486.at n=18A083485Squarefree part of 1!*2!*3!*...*n!: The product of factorials one through n divided by its largest square divisor.at n=34A299700Denominators of the partial sums of the reciprocals of the powerfree part function (A055231).at n=32A379580