Number of nonnegative integers with property that their base 10/3 expansion (see A024658) has n digits.

A245428

Number of nonnegative integers with property that their base 10/3 expansion (see A024658) has n digits.

Terms

    a(0) =10a(1) =30a(2) =100a(3) =330a(4) =1100a(5) =3670a(6) =12230a(7) =40770a(8) =135900a(9) =453000a(10) =1510000a(11) =5033330a(12) =16777770a(13) =55925900a(14) =186419660a(15) =621398870a(16) =2071329570a(17) =6904431900a(18) =23014773000a(19) =76715910000a(20) =255719700000a(21) =852399000000

External references