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 A319883 Decimal expansion of the steradian solid angle subtended by one pentagonal facet of the icosidodecahedron. 4
 7, 4, 7, 4, 4, 1, 7, 1, 8, 2, 0, 9, 1, 3, 3, 9, 6, 1, 8, 3, 9, 9, 5, 9, 4, 6, 5, 6, 6, 6, 3, 2, 0, 5, 6, 8, 0, 4, 4, 1, 0, 0, 5, 7, 1, 7, 4, 3, 0, 4, 8, 4, 0, 8, 5, 6, 7, 1, 9, 3, 1, 4, 7, 4, 4, 7, 0, 8, 1, 1, 1, 7, 6, 8, 5, 6, 0, 4, 0, 2 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Eric Weisstein's World of Mathematics, Icosidodecahedron Eric Weisstein's World of Mathematics,  Spherical Polygon FORMULA 2*Pi - 5*arctan(2). 20*A319881 + 12*A319883 = 4*Pi. EXAMPLE 0.74744171820913396183995946566632056804410057174304... MATHEMATICA RealDigits[2*Pi - 5*ArcTan[2], 10, 80][[1]] CROSSREFS Cf. A319881. Cuboctahedron: A236555, A236556. Sequence in context: A160575 A194361 A153586 * A153186 A085469 A050996 Adjacent sequences:  A319880 A319881 A319882 * A319884 A319885 A319886 KEYWORD nonn,cons AUTHOR Bradley Klee, Sep 30 2018 STATUS approved

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Last modified April 10 19:06 EDT 2021. Contains 342853 sequences. (Running on oeis4.)