%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