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A011548 Decimal expansion of sqrt(2) rounded to n places. 2
1, 14, 141, 1414, 14142, 141421, 1414214, 14142136, 141421356, 1414213562, 14142135624, 141421356237, 1414213562373, 14142135623731, 141421356237310, 1414213562373095, 14142135623730950 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

W. Rudin, Principles of Mathematical Analysis, 3rd ed., McGraw-Hill, 1976.

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..995 (terms 0..200 from Vincenzo Librandi)

MATHEMATICA

Round[Table[N[Sqrt[2], k] 10^(k - 1), {k, 20}]] (* Vincenzo Librandi, Aug 17 2013 *)

Module[{nn=20, s}, s=RealDigits[Sqrt[2], 10, nn+1][[1]]; Table[Round[ FromDigits[ Take[ s, n+1]]/10], {n, nn}]] (* Harvey P. Dale, Apr 04 2019 *)

CROSSREFS

Cf. A011547.

Sequence in context: A306558 A131583 A011547 * A039916 A241217 A159500

Adjacent sequences:  A011545 A011546 A011547 * A011549 A011550 A011551

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified September 30 11:32 EDT 2020. Contains 337439 sequences. (Running on oeis4.)