A189757 n+[nr/s]+[nt/s]; r=1, s=sin(1), t=cos(1).

2, 5, 7, 10, 13, 16, 19, 22, 24, 27, 31, 33, 36, 38, 41, 45, 47, 50, 53, 55, 58, 62, 64, 67, 70, 72, 76, 78, 81, 84, 86, 90, 93, 95, 98, 101, 103, 107, 110, 112, 115, 117, 121, 124, 126, 129, 132, 135, 138, 141, 143, 146, 149, 152, 155, 157, 160, 163, 166, 169, 172, 174, 177, 181, 183, 186, 189, 191, 194, 197, 200, 203, 205, 208, 212

Offset

1,1

Links

Table of n, a(n) for n=1..75.

Formula

b(n)=n+[n*csc(1)]+[n*cot(1)].

Mathematica

(See A189756.)

Crossrefs

Cf. A189758.

Sequence in context: A081838 A057347 A067008 * A094065 A073593 A364451

Adjacent sequences: A189754 A189755 A189756 * A189758 A189759 A189760

Keyword

nonn

Author

Clark Kimberling, Apr 26 2011

Status

approved