

A010524


Decimal expansion of square root of 72.


12



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

1,1


COMMENTS

This is also the ratio of the volume of a cube to the volume of a regular tetrahedron of the same edge length.  Rick L. Shepherd, May 29 2002
Continued fraction expansion is 8 followed by {2, 16} repeated.  Harry J. Smith, Jun 08 2009
Decimal expansion of shortest length, (B), of segment from side BC through incenter to side BA in right triangle ABC with sidelengths (a,b,c)=(8,15,17), see A195284.  Clark Kimberling, Sep 14 2011
Decimal expansion of shortest length, (B), of segment from side BC through incenter to side BA in right triangle ABC with sidelengths (a,b,c)=(7,24,25).  Clark Kimberling, Sep 14 2011


LINKS

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


EXAMPLE

8.485281374238570292810132345258188471418031252261688439060078427944394...


MATHEMATICA

RealDigits[N[72^(1/2), 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jan 23 2012 *)


PROG

(PARI) { default(realprecision, 20080); x=sqrt(72); for (n=1, 20000, d=floor(x); x=(xd)*10; write("b010524.txt", n, " ", d)); } \\ Harry J. Smith, Jun 08 2009


CROSSREFS

Cf. A040063 (continued fraction).
Sequence in context: A021848 A021545 A141614 * A195344 A202998 A110835
Adjacent sequences: A010521 A010522 A010523 * A010525 A010526 A010527


KEYWORD

nonn,cons


AUTHOR

N. J. A. Sloane


STATUS

approved



