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A189793 n+[nr/t]+[ns/t]; r=1, s=(sin(1))^2, t=(cos(1))^2. 2
6, 12, 20, 26, 34, 40, 46, 54, 60, 68, 74, 82, 88, 94, 102, 108, 116, 122, 130, 136, 142, 150, 156, 164, 170, 178, 184, 190, 198, 204, 212, 218, 226, 232, 238, 246, 252, 260, 266, 274, 280, 286, 294, 300, 308, 314, 320, 328, 334, 342, 348, 356, 362, 368, 376, 382, 390, 396, 404, 410, 416, 424, 430, 438, 444, 452, 458, 464, 472, 478, 486, 492, 500, 506, 512, 520, 526 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See A189792.

LINKS

Table of n, a(n) for n=1..77.

FORMULA

c(n)=n+[n*u^2]+[n*v^2], where u=sec(1), v=tan(1).

MATHEMATICA

(See A189792.)

CROSSREFS

Cf. A189792, A189794.

Sequence in context: A145278 A094371 A286927 * A079760 A109895 A083209

Adjacent sequences:  A189790 A189791 A189792 * A189794 A189795 A189796

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 27 2011

STATUS

approved

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Last modified May 29 09:16 EDT 2020. Contains 334697 sequences. (Running on oeis4.)