login

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”).

A189758
n+[nr/t]+[ns/t]; r=1, s=sin(1), t=cos(1).
2
3, 8, 12, 17, 21, 26, 29, 34, 39, 43, 48, 52, 57, 60, 65, 69, 74, 79, 83, 88, 91, 96, 100, 105, 109, 114, 118, 122, 127, 131, 136, 140, 145, 148, 153, 158, 162, 167, 171, 176, 179, 184, 188, 193, 198, 202, 206, 210, 215, 219, 224, 228, 233, 237, 241, 246, 250, 255, 259, 264, 268, 272, 277, 281, 286, 290, 295, 298, 303, 308, 312, 317
OFFSET
1,1
FORMULA
c(n)=n+[n*sec(1)]+[n*tan(1)].
MATHEMATICA
(See A189756.)
Table[n+Floor[n/Cos[1]]+Floor[(n*Sin[1])/Cos[1]], {n, 80}] (* Harvey P. Dale, Aug 06 2018 *)
CROSSREFS
Sequence in context: A084162 A140103 A190374 * A190368 A256711 A219635
KEYWORD
nonn
AUTHOR
Clark Kimberling, Apr 26 2011
STATUS
approved