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 A273637 Decimal expansion of ((Pi*(3+sqrt(5))^2)/(60*sqrt(3)))^(1/3), the sphericity of the icosahedron. 4
 9, 3, 9, 3, 2, 5, 6, 5, 1, 5, 6, 7, 6, 3, 6, 1, 5, 9, 4, 1, 6, 1, 0, 1, 4, 3, 2, 4, 1, 4, 6, 6, 1, 3, 6, 6, 1, 4, 2, 8, 8, 8, 6, 4, 1, 7, 0, 4, 7, 9, 1, 6, 1, 0, 9, 3, 2, 9, 5, 9, 1, 8, 7, 2, 3, 5, 7, 8, 7, 3, 7, 9, 0, 3, 3, 9, 5, 2, 4, 5, 3, 9, 5, 2, 5, 3 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Wikipedia, Sphericity. EXAMPLE 0.93932565156763615941610143241466136614288864170479161093295918... PROG (PARI) default(realprecision, 50080); my(x=((Pi*(3+sqrt(5))^2)/(60*sqrt(3)))^(1/3)); for(k=1, 100, my(d=floor(x)); x=(x-d)*10; print1(d, ", ")) CROSSREFS Cf. A273633, A273634, A273635, A273636. Sequence in context: A155166 A159467 A198608 * A086705 A199866 A276558 Adjacent sequences:  A273634 A273635 A273636 * A273638 A273639 A273640 KEYWORD nonn,cons AUTHOR Felix FrÃ¶hlich, May 27 2016 STATUS approved

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Last modified February 20 15:08 EST 2019. Contains 320331 sequences. (Running on oeis4.)