A010149 Continued fraction for sqrt(70).

8, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1, 2, 1, 2, 16, 2, 1

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cofr

Examples

			8.366600265340755479781720257... = 8 + 1/(2 + 1/(1 + 1/(2 + 1/(1 + ...)))). - _Harry J. Smith_, Jun 08 2009
		

Links

• Harry J. Smith, Table of n, a(n) for n = 0..20000
• G. Xiao, Contfrac
• Index entries for continued fractions for constants
• Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 1).

Crossrefs

Cf. A010522 Decimal expansion. - Harry J. Smith, Jun 08 2009

Programs

Mathematica

ContinuedFraction[Sqrt[70],300] (* Vladimir Joseph Stephan Orlovsky, Mar 08 2011 *)
PadRight[{8},120,{16,2,1,2,1,2}] (* Harvey P. Dale, Mar 25 2020 *)

PARI

{ allocatemem(932245000); default(realprecision, 19000); x=contfrac(sqrt(70)); for (n=0, 20000, write("b010149.txt", n, " ", x[n+1])); } \\ Harry J. Smith, Jun 08 2009