A033432 a(n) = floor(1000/sqrt(n)).

1000, 707, 577, 500, 447, 408, 377, 353, 333, 316, 301, 288, 277, 267, 258, 250, 242, 235, 229, 223, 218, 213, 208, 204, 200, 196, 192, 188, 185, 182, 179, 176, 174, 171, 169, 166, 164, 162, 160, 158, 156, 154, 152, 150, 149, 147, 145, 144, 142, 141, 140

Offset: 1

Author

Jeff Burch

Keywords

• nonn
• easy

Comments

This sequence is the 1000th row of triangle A277647. - Jason Kimberley, Nov 22 2016

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..10000

Programs

Magma

[Floor(1000/Sqrt(n)): n in [1..40]]; // Vincenzo Librandi, Aug 10 2011

Magma

[Isqrt(10^6 div n):n in[1..40]]; // integer arithmetic - Jason Kimberley, Nov 12 2016

Mathematica

Floor[1000/Sqrt[Range[60]]] (* Harvey P. Dale, Aug 09 2011 *)

Extensions

More terms from Erich Friedman