Number of binary words of length n with exactly one occurrence of subword 010 and exactly two occurrences of subword 101.
A260505
Number of binary words of length n with exactly one occurrence of subword 010 and exactly two occurrences of subword 101.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =2a(7) =7a(8) =16a(9) =38a(10) =82a(11) =175a(12) =362a(13) =736a(14) =1468a(15) =2885a(16) =5596a(17) =10736a(18) =20398a(19) =38423a(20) =71818a(21) =133307a(22) =245890a(23) =450970a(24) =822788a(25) =1493992a(26) =2700800a(27) =4862566a(28) =8721608a(29) =15588371
External references
- oeis: A260505