Number of numbers whose base 5/4 expansion (see A024634) has n digits.

Terms

a(0) =5a(1) =5a(2) =5a(3) =5a(4) =5a(5) =10a(6) =10a(7) =15a(8) =15a(9) =20a(10) =25a(11) =30a(12) =40a(13) =50a(14) =60a(15) =75a(16) =95a(17) =120a(18) =150a(19) =185a(20) =235a(21) =290a(22) =365a(23) =455a(24) =570a(25) =710a(26) =890a(27) =1110a(28) =1390a(29) =1735