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A076521 Floor( (n/2)*log_2(2*n/3) ). 0
0, 1, 2, 4, 6, 7, 9, 11, 13, 15, 18, 20, 22, 24, 27, 29, 32, 34, 37, 39, 42, 45, 47, 50, 53, 56, 59, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97, 100, 104, 107, 110, 113, 116, 120, 123, 126, 129, 133, 136, 139, 142, 146, 149, 152, 156, 159, 163, 166, 169, 173, 176, 180 (list; graph; refs; listen; history; internal format)
OFFSET

2,3

REFERENCES

A. Beygelzimer and S. Radziszowski, On halving line arrangements, Discrete Math., 257 (2002), 267-283.

CROSSREFS

Sequence in context: A047293 A191176 A184585 * A206910 A139529 A157202

Adjacent sequences:  A076518 A076519 A076520 * A076522 A076523 A076524

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Oct 18 2002

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Last modified February 18 00:14 EST 2012. Contains 206085 sequences.