A378388 Decimal expansion of the surface area of a tetrakis hexahedron with unit shorter edge length.
1, 1, 9, 2, 5, 6, 9, 5, 8, 7, 9, 9, 9, 8, 8, 7, 8, 3, 8, 0, 8, 4, 8, 9, 2, 6, 2, 3, 3, 2, 3, 3, 4, 7, 3, 2, 5, 5, 6, 8, 3, 2, 9, 7, 9, 1, 7, 9, 2, 8, 1, 3, 7, 1, 9, 6, 1, 1, 1, 4, 5, 1, 9, 7, 5, 5, 2, 2, 7, 7, 8, 2, 7, 0, 0, 6, 8, 2, 9, 2, 7, 9, 6, 8, 7, 6, 8, 7, 6, 8
Offset: 2
Examples
11.925695879998878380848926233233473255683297917928...
Links
- Paolo Xausa, Table of n, a(n) for n = 2..10000
- Eric Weisstein's World of Mathematics, Tetrakis Hexahedron.
Crossrefs
Programs
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Mathematica
First[RealDigits[16*Sqrt[5]/3, 10, 100]] (* or *) First[RealDigits[PolyhedronData["TetrakisHexahedron", "SurfaceArea"], 10, 100]]
Comments