A164246 Number of binary strings of length n with equal numbers of 00101 and 01011 substrings.

1, 2, 4, 8, 16, 30, 58, 112, 218, 424, 830, 1624, 3182, 6232, 12212, 23924, 46882, 91880, 180128, 353224, 692898, 1359624, 2668760, 5239976, 10291538, 20218824, 39733424, 78104712, 153574456, 302050244, 594233080, 1169365256, 2301748798, 4531879652

Offset

0,2

Links

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

Crossrefs

Sequence in context: A164247 A164220 A164253 * A164211 A164245 A164236

Adjacent sequences: A164243 A164244 A164245 * A164247 A164248 A164249

Keyword

nonn

Author

R. H. Hardin, Aug 11 2009

Status

approved