Numbers in 2-cycles of RATS sequences.

Terms

a(0) =78a(1) =117a(2) =156a(3) =288a(4) =11127a(5) =11667a(6) =23388a(7) =27888a(8) =111177a(9) =228888a(10) =111111777a(11) =222888888a(12) =1111122267a(13) =3333337788a(14) =111111117777a(15) =222288888888