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%I #22 Jun 12 2023 02:56:38
%S 9,4,9,7,6,5,7,1,5,3,8,1,6,3,8,6,5,9,9,9,4,4,0,6,7,1,3,5,8,5,3,8,7,9,
%T 2,2,4,3,4,6,3,0,0,7,0,8,2,8,2,6,0,9,7,5,3,0,2,8,3,4,2,4,8,5,9,6,5,1,
%U 2,1,2,2,1,6,4,4,8,1,9,6,6,4,0,2,7,1,6,6,4,9,8,0,8,6,2,6,4,0,5,2,3,4,1,4,4
%N Decimal expansion of the real part of exp(i/Pi), or cos(1/Pi).
%H Stanislav Sykora, <a href="/A237185/b237185.txt">Table of n, a(n) for n = 0..2000</a>
%e 0.9497657153816386599944067135853879224346300708282609753...
%t RealDigits[Cos[1/Pi], 10, 120][[1]] (* _Amiram Eldar_, Jun 12 2023 *)
%o (PARI) real(exp(I/Pi))
%Y Cf. A000796, A001113, A237186 (imaginary part).
%K nonn,cons,easy
%O 0,1
%A _Stanislav Sykora_, Feb 06 2014
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