Number of n-digit numbers with maximal multiplicative persistence A014553.

A046148

Number of n-digit numbers with maximal multiplicative persistence A014553.

Terms

    a(0) =10a(1) =1a(2) =9a(3) =12a(4) =20a(5) =2430a(6) =5229a(7) =7448a(8) =282852a(9) =88200a(10) =8015040a(11) =200676960a(12) =2701775518a(13) =24655323238a(14) =15765750a(15) =1715313600a(16) =59049874884

External references