Number of binary strings of length n with no substrings equal to 0000 0010 or 1100
13, 21, 35, 59, 100, 171, 292, 497, 845, 1436, 2440, 4147, 7050, 11986, 20378
2 seqfan posts
Fri Jun 4 22:20:18 CEST 2010 [seqfan] Re: recurrences for pattern avoiding binary strings A164387 to A164494