Number of times digits are repeated in A038564.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =3a(5) =3a(6) =3a(7) =3a(8) =3a(9) =5a(10) =5a(11) =3a(12) =3a(13) =4a(14) =3a(15) =3a(16) =3a(17) =5a(18) =3a(19) =7a(20) =1a(21) =1a(22) =1a(23) =1a(24) =1a(25) =1a(26) =1a(27) =1a(28) =1a(29) =1