A164222 - OEIS

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A164222

Number of binary strings of length n with equal numbers of 00010 and 10011 substrings.

1

1, 2, 4, 8, 16, 30, 56, 104, 194, 362, 678, 1276, 2410, 4570, 8696, 16596, 31764, 60950, 117230, 225982, 436512, 844786, 1637814, 3180446, 6185356, 12046008, 23489636, 45858720, 89627352, 175346280, 343366100, 672966312, 1320010108, 2591102042

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OFFSET

0,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..1000 (first 501 terms from R. H. Hardin)

CROSSREFS

Sequence in context: A164239 A164200 A164243 * A164238 A164202 A164227

Adjacent sequences: A164219 A164220 A164221 * A164223 A164224 A164225

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 11 2009

STATUS

approved