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A131595
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Decimal expansion of 3*(sqrt(25 + 10*sqrt(5))), the surface area of a regular dodecahedron with edges of unit length.
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1
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2, 0, 6, 4, 5, 7, 2, 8, 8, 0, 7, 0, 6, 7, 6, 0, 3, 0, 7, 3, 1, 0, 8, 1, 4, 3, 7, 2, 8, 6, 6, 3, 3, 1, 5, 1, 9, 2, 8, 8, 8, 4, 9, 0, 0, 4, 0, 1, 2, 2, 3, 7, 9, 9, 5, 0, 4, 8, 5, 1, 3, 6, 4, 8, 4, 2, 8, 6, 4, 2, 7, 9, 0, 6, 5, 0, 7, 5, 9, 4, 7, 7, 5, 9, 8, 9, 2, 9, 4, 8, 9, 6, 6, 5, 1, 0, 5, 2, 8, 8, 5, 9, 2, 6, 5, 1, 3, 7, 0, 5, 5, 4, 1, 7, 7, 0, 0, 3, 1, 9
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 2,1
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COMMENTS
| Surface area of a regular dodecahedron: A = 3*(sqrt(25 + 10*sqrt(5)))* a^2, where 'a' is the edge.
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EXAMPLE
| 20.645728807067603...
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MATHEMATICA
| RealDigits[3 Sqrt[25+10Sqrt[5]], 10, 120][[1]] (* From Harvey P. Dale, June 21 2011 *)
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CROSSREFS
| Cf. A102769.
Sequence in context: A055349 A161174 A136656 * A124228 A115879 A115880
Adjacent sequences: A131592 A131593 A131594 * A131596 A131597 A131598
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KEYWORD
| cons,easy,nonn
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AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Aug 30 2007
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EXTENSIONS
| More terms from Harvey P. Dale, June 21 2011.
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