A011550 Decimal expansion of sqrt(3) rounded to n places.

2, 17, 173, 1732, 17321, 173205, 1732051, 17320508, 173205081, 1732050808, 17320508076, 173205080757, 1732050807569, 17320508075689, 173205080756888, 1732050807568877, 17320508075688773, 173205080756887729, 1732050807568877294, 17320508075688772935

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Mathematica

Round[Table[N[Sqrt[3], k]*10^(k - 1), {k, 17}]] (* Jayanta Basu, Aug 14 2013 *)

Prog

(Python)
from math import isqrt
def A011550(n): return (m:=isqrt(k:=10**(n<<1)*3))+int((k-m*(m+1)<<2)>=1) # Chai Wah Wu, Jul 29 2022

Crossrefs

Sequence in context: A126109 A046909 A041879 * A102023 A212833 A230087

Adjacent sequences: A011547 A011548 A011549 * A011551 A011552 A011553

Keyword

nonn,base,easy

Author

N. J. A. Sloane.

Status

approved