Slowest increasing sequence which self-describes its succession of odd and even digits.

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =7a(5) =9a(6) =12a(7) =22a(8) =24a(9) =31a(10) =33a(11) =35a(12) =36a(13) =42a(14) =44a(15) =46a(16) =48a(17) =52a(18) =61a(19) =72a(20) =81a(21) =92a(22) =222a(23) =311a(24) =411a(25) =522a(26) =611a(27) =722a(28) =822a(29) =911