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%I #16 Jun 26 2021 04:52:53
%S 1,5,3,3,7,7,2,3,0,2,3,1,0,2,4,3,5,6,7,1,7,2,8,5,6,0,1,6,7,2,2,5,7,8,
%T 9,9,4,6,1,0,1,2,9,5,1,8,9,4,2,7,5,5,4,9,1,9,6,1,7,6,0,6,6,6,0,9,5,9,
%U 3,7,9,1,3,2,0,0,6,0,8,8,8,3,3,9,2,5,5
%N Decimal expansion of the Kakeya constant.
%C The Kakeya constant gives the greatest lower bound of areas of Kakeya sets.
%C Named after the Japanese mathematician Sōichi Kakeya (1886-1947). - _Amiram Eldar_, Jun 26 2021
%H F. Cunningham Jr. and I. J. Schoenberg, <a href="http://dx.doi.org/10.4153/CJM-1965-090-x">On the Kakeya constant</a>, Canad. J. Math., Vol. 17 (1965), pp. 946-956.
%H Simon Plouffe, <a href="http://plouffe.fr/simon/constants/kakeya.txt">The Kakeya constant</a>.
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Kakeya_set">Kakeya set</a>.
%e 15.3377230231024356717285601672257899461012951894275...
%K nonn,cons
%O 2,2
%A _Felix Fröhlich_, Jan 17 2016
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