Number of nonnegative integers with property that their base 5/2 expansion (see A024632) has n digits.
A245415
Number of nonnegative integers with property that their base 5/2 expansion (see A024632) has n digits.
Terms
- a(0) =5a(1) =10a(2) =25a(3) =60a(4) =150a(5) =375a(6) =940a(7) =2350a(8) =5875a(9) =14685a(10) =36715a(11) =91785a(12) =229465a(13) =573660a(14) =1434150a(15) =3585375a(16) =8963440a(17) =22408600a(18) =56021500a(19) =140053750a(20) =350134375a(21) =875335935a(22) =2188339840a(23) =5470849600a(24) =13677124000a(25) =34192810000a(26) =85482025000a(27) =213705062500a(28) =534262656250
External references
- oeis: A245415