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A187322 Floor(n/2)+floor(3n/4). 0
0, 0, 2, 3, 5, 5, 7, 8, 10, 10, 12, 13, 15, 15, 17, 18, 20, 20, 22, 23, 25, 25, 27, 28, 30, 30, 32, 33, 35, 35, 37, 38, 40, 40, 42, 43, 45, 45, 47, 48, 50, 50, 52, 53, 55, 55, 57, 58, 60, 60, 62, 63, 65, 65, 67, 68, 70, 70, 72, 73, 75, 75, 77, 78, 80, 80, 82, 83, 85, 85, 87, 88, 90, 90, 92, 93, 95, 95, 97, 98, 100, 100, 102, 103, 105, 105, 107, 108, 110, 110, 112, 113, 115, 115, 117, 118, 120, 120, 122, 123, 125, 125, 127, 128, 130, 130, 132, 133, 135, 135, 137, 138, 140, 140, 142, 143, 145, 145, 147, 148, 150 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..120.

FORMULA

a(n)=floor(n/2)+floor(3n/4).

MATHEMATICA

Table[Floor[n/2]+Floor[3n/4], {n, 0, 120}]

CROSSREFS

Sequence in context: A023838 A089625 A092391 * A156899 A156898 A084754

Adjacent sequences:  A187319 A187320 A187321 * A187323 A187324 A187325

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 08 2011

STATUS

approved

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Last modified May 25 09:21 EDT 2013. Contains 225646 sequences.