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A189680 n+[nr/t]+[ns/t]; r=pi/2, s=arcsin(3/5), t=arcsin(4/5). 4
2, 6, 10, 12, 16, 20, 22, 26, 30, 32, 36, 40, 44, 46, 50, 54, 56, 60, 64, 66, 70, 74, 76, 80, 84, 88, 90, 94, 98, 100, 104, 108, 110, 114, 118, 120, 124, 128, 132, 134, 138, 142, 144, 148, 152, 154, 158, 162, 166, 168, 172, 176, 178, 182, 186, 188, 192, 196, 198, 202, 206, 210, 212, 216, 220, 222, 226, 230, 232, 236, 240, 242, 246, 250 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See A189676.

LINKS

Table of n, a(n) for n=1..74.

MATHEMATICA

(See A189676.)

CROSSREFS

Cf. A189676, A189680, A189682=(A189680)/2.

Sequence in context: A264964 A195064 A055743 * A189395 A190003 A263309

Adjacent sequences:  A189677 A189678 A189679 * A189681 A189682 A189683

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 25 2011

STATUS

approved

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Last modified October 22 18:17 EDT 2019. Contains 328319 sequences. (Running on oeis4.)