A164231 - OEIS

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A164231

Number of binary strings of length n with equal numbers of 00011 and 01100 substrings

1

1, 2, 4, 8, 16, 30, 56, 106, 202, 387, 740, 1415, 2715, 5220, 10056, 19400, 37470, 72485, 140420, 272380, 529010, 1028599, 2002236, 3901670, 7610660, 14859715, 29039645, 56799548, 111186736, 217819188, 427028450, 837757248, 1644615098, 3230577843

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OFFSET

0,2

LINKS

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

CROSSREFS

Sequence in context: A164215 A164250 A164255 * A164224 A164248 A164208

Adjacent sequences: A164228 A164229 A164230 * A164232 A164233 A164234

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 11 2009

STATUS

approved