Number of binary strings of length n with no substrings equal to 0001 0111 or 1010.

Terms

a(0) =13a(1) =20a(2) =30a(3) =44a(4) =64a(5) =92a(6) =131a(7) =186a(8) =263a(9) =370a(10) =520a(11) =730a(12) =1022a(13) =1430a(14) =2001a(15) =2796a(16) =3905a(17) =5456a(18) =7618a(19) =10632a(20) =14844a(21) =20720a(22) =28911a(23) =40350a(24) =56315a(25) =78574a(26) =109644a(27) =153014a(28) =213498a(29) =297898