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%I #14 Jun 06 2023 04:20:35
%S 2,1,2,1,3,2,0,3,4,3,5,5,9,6,4,2,5,7,3,2,0,2,5,3,3,0,8,6,3,1,4,5,4,7,
%T 1,1,7,8,5,4,5,0,7,8,1,3,0,6,5,4,2,2,1,0,9,7,6,5,0,1,9,6,0,6,9,8,6,0,
%U 9,8,7,1,7,6,9,3,1,6,0,5,5,8,2,7,5,5,8,1,3,0,1,4,9,1,4,6,2,3,5,9,1,0,2,5,2
%N Decimal expansion of 3/(2^(1/2)).
%C Also height of an isosceles triangle with two sides of length 5^(1/2) and base of length 2^(1/2).
%F Equals 3/sqrt(2) = (2^(1/2))*3/2 = A002193*A152623.
%F Equals A176218 - 2. - _R. J. Mathar_, May 16 2023
%e 2.1213203435596425732025330863145471178545...
%t RealDigits[3/Sqrt[2], 10, 120][[1]] (* _Amiram Eldar_, Jun 06 2023 *)
%Y Cf. A002193, A152623, A176218, A231348.
%K nonn,cons
%O 1,1
%A _Omar E. Pol_, Dec 15 2013
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