a(n) is the number of n-digit terms in A383978.
A383979
a(n) is the number of n-digit terms in A383978.
Terms
- a(0) =0a(1) =1a(2) =15a(3) =106a(4) =821a(5) =6909a(6) =58683a(7) =509654a(8) =4508611a(9) =40421003a(10) =366300162a(11) =3348975103a(12) =30845805300a(13) =285887726304
External references
- oeis: A383979