

A003076


nth digit after decimal point of square root of n.


3



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

0,4


COMMENTS

Regarded as a decimal fraction, 0.01206932015794604621863800... is likely to be an irrational number.


LINKS

G. C. Greubel, Table of n, a(n) for n = 0..10000


EXAMPLE

Sqrt(1)=1.0000000... > the first decimal digit is 0, Sqrt(2)=1.4142135... > the 2nd decimal digit is 1, sqrt(3)=1.7320508... > the 3rd decimal digit is 2, Sqrt(4)=2.0000000... > the 4th decimal digit is 0, sqrt(5)=2.2360679... > the 5th decimal digit is 6, sqrt(6)=2.4494897... > the 6th decimal digit is 9, etc.


MATHEMATICA

Join[{0}, Array[ Function[ n, RealDigits[ N[ Sqrt[ n ], n+6 ] ]// (#[ [ 1, #[ [ 2 ] ]+n ] ])& ], 110 ]]
Table[ Floor[ Mod[10^n*Sqrt[n], 10]], {n, 0, 104}] (* Robert G. Wilson v, Jun 17 2002 *)


CROSSREFS

Cf. A071901.
Sequence in context: A086777 A334349 A058498 * A175478 A011123 A087464
Adjacent sequences: A003073 A003074 A003075 * A003077 A003078 A003079


KEYWORD

nonn,base


AUTHOR

N. J. A. Sloane


EXTENSIONS

Extension and program from Olivier Gérard, Oct 15 1997


STATUS

approved



