A184743 a(n) = floor(n*s + (s-1)/2), where s = sqrt(Pi)/(sqrt(Pi)-1).

2, 5, 7, 9, 12, 14, 16, 19, 21, 23, 25, 28, 30, 32, 35, 37, 39, 41, 44, 46, 48, 51, 53, 55, 58, 60, 62, 64, 67, 69, 71, 74, 76, 78, 80, 83, 85, 87, 90, 92, 94, 97, 99, 101, 103, 106, 108, 110, 113, 115, 117, 119, 122, 124, 126, 129, 131, 133, 136, 138, 140, 142, 145, 147, 149, 152, 154, 156, 158, 161, 163, 165, 168, 170, 172, 175, 177, 179

Offset

1,1

Links

G. C. Greubel, Table of n, a(n) for n = 1..5000

Mathematica

r=Pi^(1/2); h=-1/2; s=r/(r-1);
Table[Floor[n*r+h], {n, 1, 120}]  (* A184242 *)
Table[Floor[n*s+h-h*s], {n, 1, 120}]  (* A184243 *)

Prog

(PARI) for(n=1, 25, print1(floor((n+1/2)*(sqrt(Pi)/(sqrt(Pi) - 1)) - 1/2), ", ")) \\ G. C. Greubel, Jan 09 2017

Crossrefs

Cf. A184742 (numbers not in present sequence).

Sequence in context: A024671 A246706 A304498 * A184749 A047386 A187416

Adjacent sequences: A184740 A184741 A184742 * A184744 A184745 A184746

Keyword

nonn

Author

Clark Kimberling, Jan 20 2011

Extensions

Edited by N. J. A. Sloane, Dec 30 2024

Status

approved