Number of binary strings of length n with no substrings equal to 0001 or 1100
14, 24, 41, 70, 120, 206, 354, 609, 1048, 1804, 3106, 5348, 9209, 15858, 27308
2 seqfan posts
Fri Jun 4 22:20:18 CEST 2010 [seqfan] Re: recurrences for pattern avoiding binary strings A164387 to A164494