Number of binary strings of length n with no substrings equal to 0001 0101 or 0111.

Terms

a(0) =13a(1) =20a(2) =32a(3) =48a(4) =69a(5) =102a(6) =148a(7) =208a(8) =297a(9) =424a(10) =592a(11) =832a(12) =1177a(13) =1642a(14) =2292a(15) =3224a(16) =4501a(17) =6268a(18) =8784a(19) =12272a(20) =17085a(21) =23886a(22) =33380a(23) =46496a(24) =64913a(25) =90704a(26) =126432a(27) =176384a(28) =246385a(29) =343634