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A210624 Decimal expansion of (7/83)^(2/9). 1

%I #17 Sep 08 2022 08:46:01

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

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

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

%N Decimal expansion of (7/83)^(2/9).

%C An approximation to A001620.

%H G. C. Greubel, <a href="/A210624/b210624.txt">Table of n, a(n) for n = 0..10000</a>

%H Dario Castellanos, <a href="http://www.jstor.org/stable/2690037">The ubiquitous pi</a>, Math. Mag., 61 (1988), 67-98 and 148-163.

%e .57721520950114346401242791946161848454285395339121597403858...

%t RealDigits[(7/83)^(2/9), 10, 100][[1]] (* _G. C. Greubel_, Sep 06 2018 *)

%o (PARI) (7/83)^(2/9) \\ _Charles R Greathouse IV_, Mar 25 2014

%o (Magma) SetDefaultRealField(RealField(100)); (7/83)^(2/9); // _G. C. Greubel_, Sep 06 2018

%Y Cf. A001620.

%K nonn,cons

%O 0,1

%A _N. J. A. Sloane_, Mar 24 2012

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)