%I #9 Nov 06 2017 10:45:11
%S 0,2,7,4,1,2,1,3,3,5,9,2,0,4,4,2,9,3,5,1,7,7,8,8,4,8,8,1,9,6,4,5,2,6,
%T 0,4,5,0,1,7,8,5,1,5,2,5,2,7,2,1,8,4,1,0,4,4,0,4,9,3,6,9,4,7,5,5,2,1,
%U 8,3,3,0,8,6,9,9,0,3,8,5,9,4,2,1,5,6,2,4,1,3,3,1,6,1,7,9,4,3,1
%N Decimal expansion of sin(Pi/2 degrees). (Of course, sin(Pi/2 radians) = 1.)
%t Join[{0},RealDigits[Sin[Pi/2 Degree],10,120][[1]]] (* _Harvey P. Dale_, Mar 15 2013 *)
%o (PARI) sin(Pi^2/360) \\ _Charles R Greathouse IV_, Nov 06 2017
%Y Cf. A051553-A051555, A051557, A051559.
%K nonn,easy,cons
%O 0,2
%A _N. J. A. Sloane_
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