A189680 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A189680

a(n) = n + [nr/t] + [ns/t]; r=Pi/2, s=arcsin(3/5), t=arcsin(4/5).

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: A328926 A055743 A354424 * A189395 A190003 A357702

Adjacent sequences: A189677 A189678 A189679 * A189681 A189682 A189683

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 25 2011

STATUS

approved