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%I #6 Dec 06 2025 11:55:37
%S 3,2,8,0,6,2,5,9,7,6,0,5,0,5,7,6,9,0,5,4,3,9,9,4,6,1,2,8,6,5,1,4,1,1,
%T 5,2,5,4,3,9,6,6,2,4,8,7,9,7,7,7,7,0,1,2,6,7,9,5,0,2,5,9,7,9,0,8,5,6,
%U 4,6,4,2,4,4,3,2,5,7,6,6,6,4,1,4,1,6,2,9,9,9,3,6,9,8,4,8,7,2,8,7
%N Decimal expansion of 380^(1/5).
%C This constant gives a lower bound of lim_{k->oo} R(3,k)^(1/k), where R = A000791.
%H Anurag Bishnoi, Wouter Cames van Batenburg, and Ananthakrishnan Ravi, <a href="https://arxiv.org/abs/2512.01760">The chromatic number of finite projective spaces</a>, arXiv:2512.01760 [math.CO], 2025. See p. 12.
%F Equals 2^(2/5)*95^(1/5) = A005533*A011180.
%e 3.280625976050576905439946128651411525439662...
%t RealDigits[380^(1/5),10,100][[1]]
%Y Cf. A000791, A005533, A011180.
%K nonn,cons,easy
%O 1,1
%A _Stefano Spezia_, Dec 05 2025