a(n) is the number of n-digit numbers whose difference between the largest and smallest digits is equal to 8.

A367249

a(n) is the number of n-digit numbers whose difference between the largest and smallest digits is equal to 8.

Terms

    a(0) =0a(1) =3a(2) =79a(3) =1323a(4) =18175a(5) =223323a(6) =2555119a(7) =27828363a(8) =292407775a(9) =2990349243a(10) =29943991759a(11) =294872615403

External references