Table of tersums m + n (answers written in base 10).

Terms

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