A379388 - OEIS

A379388

Decimal expansion of the midradius of a deltoidal hexecontahedron with unit shorter edge length.

2, 7, 0, 3, 4, 4, 4, 1, 8, 5, 3, 7, 4, 8, 6, 3, 3, 0, 2, 6, 6, 5, 9, 6, 2, 8, 8, 4, 6, 7, 5, 3, 2, 9, 5, 5, 3, 0, 3, 6, 4, 0, 1, 9, 3, 3, 7, 4, 7, 4, 9, 1, 7, 2, 0, 7, 7, 6, 0, 8, 3, 2, 0, 9, 5, 1, 6, 8, 3, 8, 6, 0, 1, 6, 6, 4, 5, 7, 3, 1, 8, 4, 6, 1, 9, 3, 6, 9, 3, 6

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OFFSET

1,1

COMMENTS

The deltoidal hexecontahedron is the dual polyhedron of the (small) rhombicosidodecahedron.

LINKS

Paolo Xausa, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Deltoidal Hexecontahedron.

Wikipedia, Deltoidal hexecontahedron.

Index entries for algebraic numbers, degree 2.

FORMULA

Equals 5/4 + 13/(4*sqrt(5)) = 5/4 + 13/A010532.