Numbers of the form 6*k+1 that use only digits 2 and 3.

Terms

a(0) =223a(1) =2233a(2) =2323a(3) =3223a(4) =22333a(5) =23233a(6) =23323a(7) =32233a(8) =32323a(9) =33223a(10) =222223a(11) =223333a(12) =232333a(13) =233233a(14) =233323a(15) =322333a(16) =323233a(17) =323323a(18) =332233a(19) =332323a(20) =333223a(21) =2222233a(22) =2222323a(23) =2223223a(24) =2232223a(25) =2233333a(26) =2322223a(27) =2323333a(28) =2332333a(29) =2333233