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A173692 Ceiling(A000931(n)/2). 0
0, 1, 1, 1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 11, 14, 19, 25, 33, 43, 57, 76, 100, 133, 176, 233, 308, 408, 541, 716, 949, 1257 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,7

LINKS

Table of n, a(n) for n=0..30.

FORMULA

a(n)=A000931(n)-Floor[A000931(n)/2].

a(n) = a(n-2) +a(n-3) +a(n-7) -a(n-9) -a(n-10). - R. J. Mathar, Mar 11 2012

MATHEMATICA

a[0] = 0; a[1] = 1; a[2] = 1;

a[n_] := a[n] = a[n - 2] + a[n - 3]

Table[a[n] - Floor[a[n]/2], {n, 0, 30}]

CROSSREFS

Cf. A000931

Sequence in context: A266750 A143065 A192660 * A316079 A091585 A032228

Adjacent sequences:  A173689 A173690 A173691 * A173693 A173694 A173695

KEYWORD

nonn,easy

AUTHOR

Roger L. Bagula, Nov 25 2010

STATUS

approved

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Last modified November 15 01:22 EST 2019. Contains 329142 sequences. (Running on oeis4.)