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A102475 Floor(Pi^(n/2)). 2
1, 3, 5, 9, 17, 31, 54, 97, 172, 306, 542, 961, 1704, 3020, 5353, 9488, 16817, 29809, 52835, 93648, 165986, 294204, 521463, 924269, 1638224, 2903677, 5146633, 9122171, 16168627, 28658145, 50795241, 90032220, 159577956, 282844563 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..34.

MATHEMATICA

Floor[Pi^(Range[40]/2)] (* Harvey P. Dale, Aug 27 2012 *)

CROSSREFS

Sequence in context: A289261 A143373 A282184 * A066173 A114322 A000213

Adjacent sequences:  A102472 A102473 A102474 * A102476 A102477 A102478

KEYWORD

nonn

AUTHOR

Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Feb 24 2005

STATUS

approved

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Last modified February 20 06:26 EST 2019. Contains 320332 sequences. (Running on oeis4.)