A189754 n+[nr/s]+[nt/s]; r=1, s=arctan(1/3), t=arctan(3).

7, 15, 23, 31, 39, 47, 55, 63, 70, 79, 87, 95, 103, 111, 119, 127, 134, 142, 151, 159, 167, 175, 183, 191, 199, 206, 214, 223, 231, 239, 247, 255, 263, 270, 278, 286, 294, 303, 311, 319, 327, 335, 342, 350, 358, 366, 375, 383, 391, 399, 406, 414, 422, 430, 438, 447, 455, 463, 471, 478, 486, 494, 502, 510, 519, 527, 535, 542, 550

Offset

1,1

Comments

See A189753.

Links

Table of n, a(n) for n=1..69.

Mathematica

(See A189753.)

Crossrefs

Cf. A189753, A189755.

Sequence in context: A043449 A136768 A031490 * A059562 A017149 A133655

Adjacent sequences: A189751 A189752 A189753 * A189755 A189756 A189757

Keyword

nonn

Author

Clark Kimberling, Apr 26 2011

Status

approved