Number of 7/3+-power-free words over the alphabet {0,1}.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =10a(5) =14a(6) =20a(7) =30a(8) =38a(9) =50a(10) =64a(11) =86a(12) =108a(13) =136a(14) =178a(15) =222a(16) =276a(17) =330a(18) =408a(19) =500a(20) =618a(21) =774a(22) =962a(23) =1178a(24) =1432a(25) =1754a(26) =2160a(27) =2660a(28) =3292a(29) =4016