A164238 Number of binary strings of length n with equal numbers of 00100 and 01101 substrings

1, 2, 4, 8, 16, 30, 56, 104, 194, 363, 682, 1286, 2432, 4612, 8766, 16701, 31887, 61017, 117001, 224812, 432789, 834689, 1612548, 3120361, 6047274, 11736581, 22809338, 44385205, 86473743, 168662839, 329316660, 643634073, 1259124723, 2465346235

Offset

0,2

Comments

Exactly 2 adjacent element pairs in decreasing order gives A027540

Links

R. H. Hardin, Table of n, a(n) for n=0..500

Crossrefs

Sequence in context: A164200 A164243 A164222 * A164202 A164227 A164261

Adjacent sequences: A164235 A164236 A164237 * A164239 A164240 A164241

Keyword

nonn

Author

R. H. Hardin Aug 11 2009

Status

approved