A377341 - OEIS

A377341

Decimal expansion of the surface area of a truncated octahedron with unit edge length.

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

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OFFSET

2,1

LINKS

Table of n, a(n) for n=2..91.

Eric Weisstein's World of Mathematics, Truncated Octahedron.

Wikipedia, Truncated octahedron.

FORMULA

Equals 6 + 12*sqrt(3) = 6 + 12*A002194.

EXAMPLE

26.78460969082652752232935609807046840331366304572...

MATHEMATICA