A189517 a(n) = n + [nr/t] + [ns/t]; r=1, s=Pi/2, t=2/Pi.

4, 9, 14, 19, 24, 29, 34, 39, 45, 49, 55, 59, 65, 69, 75, 80, 84, 90, 94, 100, 104, 110, 115, 120, 125, 130, 135, 140, 145, 151, 155, 160, 165, 170, 175, 180, 186, 190, 196, 200, 206, 210, 216, 221, 226, 231, 235, 241, 245, 251, 256, 261, 266, 271, 276, 281, 286, 292, 296, 302, 306, 311, 316, 321, 327, 331, 337, 341, 347, 351, 357, 362, 367, 372, 377, 382, 386, 392, 397, 402, 407, 412, 417

Offset

1,1

Comments

See A189515.

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

(See A189515.)
Table[n+Floor[(n Pi)/2]+Floor[n Pi^2/4], {n, 90}] (* Harvey P. Dale, Sep 13 2025 *)

Crossrefs

Cf. A189515, A189516.

Sequence in context: A228176 A313117 A016897 * A190056 A313118 A313119

Adjacent sequences: A189514 A189515 A189516 * A189518 A189519 A189520

Keyword

nonn

Author

Clark Kimberling, Apr 23 2011

Status

approved