Position of n! among the lexicographically ordered permutations of digits of n!.

A116983

Position of n! among the lexicographically ordered permutations of digits of n!.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =4a(6) =6a(7) =11a(8) =54a(9) =150a(10) =648a(11) =5013a(12) =9849a(13) =19345a(14) =1060707a(15) =10939036a(16) =4343045a(17) =2498014850a(18) =5271260976a(19) =78029366100a(20) =531495923280a(21) =805809810981

External references