A133552 Number of length n binary sequences with at most 4 of every adjacent 6 bits set.

1, 2, 4, 8, 16, 31, 57, 109, 209, 401, 769, 1473, 2817, 5391, 10321, 19761, 37834, 72432, 138663, 265455, 508195, 972909, 1862575, 3565778, 6826437, 13068741, 25019217, 47897608, 91696751, 175547250, 336073354, 643389727, 1231726180