Number of binary strings of length n with no substrings equal to 0000 or 0011
14, 25, 45, 80, 142, 253, 450, 800, 1423, 2531, 4501, 8005, 14237, 25320, 45031
2 seqfan posts
Fri Jun 4 22:20:18 CEST 2010 [seqfan] Re: recurrences for pattern avoiding binary strings A164387 to A164494