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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

Table of n, a(n) for n=0..85.

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 Fröhlich, May 27 2016

STATUS

approved

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Last modified April 20 17:54 EDT 2019. Contains 322310 sequences. (Running on oeis4.)