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A049474 Ceiling(n/sqrt(2)). 4
0, 1, 2, 3, 3, 4, 5, 5, 6, 7, 8, 8, 9, 10, 10, 11, 12, 13, 13, 14, 15, 15, 16, 17, 17, 18, 19, 20, 20, 21, 22, 22, 23, 24, 25, 25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 34, 35, 36, 37, 37, 38, 39, 39, 40, 41, 42, 42, 43, 44, 44, 45, 46, 46, 47 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

A099188(n) = 2*a(n).

Sequence in context: A113818 A136746 A003003 * A076874 A127041 A173023

Adjacent sequences:  A049471 A049472 A049473 * A049475 A049476 A049477

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.