The number of n-digit numbers which are divisible by 3 and where all decimal digits are odd.

A337753

The number of n-digit numbers which are divisible by 3 and where all decimal digits are odd.

Terms

    a(0) =2a(1) =8a(2) =41a(3) =208a(4) =1042a(5) =5209a(6) =26042a(7) =130208a(8) =651041a(9) =3255208a(10) =16276042a(11) =81380209a(12) =406901042a(13) =2034505208a(14) =10172526041a(15) =50862630208a(16) =254313151042

External references