A010514 - OEIS

A010514

Decimal expansion of square root of 61.

7, 8, 1, 0, 2, 4, 9, 6, 7, 5, 9, 0, 6, 6, 5, 4, 3, 9, 4, 1, 2, 9, 7, 2, 2, 7, 3, 5, 7, 5, 9, 1, 0, 1, 4, 1, 3, 5, 6, 8, 3, 0, 5, 1, 3, 6, 6, 4, 8, 5, 6, 3, 3, 0, 0, 1, 7, 7, 2, 4, 3, 7, 6, 0, 1, 9, 0, 7, 8, 5, 5, 8, 8, 9, 3, 6, 7, 2, 7, 0, 5, 4, 4, 2, 5, 4, 3, 3, 0, 5, 2, 2, 6, 7, 0, 0, 4, 8, 9

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Continued fraction expansion is 7 followed by {1, 4, 3, 1, 2, 2, 1, 3, 4, 1, 14} repeated. - Harry J. Smith, Jun 07 2009

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..20000

Index entries for algebraic numbers, degree 2.

EXAMPLE

7.810249675906654394129722735759101413568305136648563300177243760190785...

MATHEMATICA

RealDigits[N[61^(1/2), 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jan 22 2012 *)

PROG

(PARI) { default(realprecision, 20080); x=sqrt(61); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010514.txt", n, " ", d)); } \\ Harry J. Smith, Jun 07 2009

CROSSREFS

Cf. A010145 Continued fraction.

Sequence in context: A188485 A093828 A373636 * A073004 A256670 A021132

Adjacent sequences: A010511 A010512 A010513 * A010515 A010516 A010517

KEYWORD

nonn,cons,changed

AUTHOR

N. J. A. Sloane

STATUS

approved