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A377299
Decimal expansion of the volume of a truncated cube with unit edge length.
2
1, 3, 5, 9, 9, 6, 6, 3, 2, 9, 1, 0, 7, 4, 4, 4, 3, 5, 6, 1, 0, 7, 4, 5, 4, 7, 3, 7, 9, 6, 4, 5, 2, 5, 7, 6, 9, 9, 9, 9, 1, 8, 0, 2, 0, 8, 5, 0, 9, 2, 4, 2, 4, 3, 4, 1, 4, 9, 1, 1, 7, 2, 1, 1, 0, 6, 2, 3, 4, 1, 8, 2, 3, 2, 8, 2, 3, 1, 6, 6, 1, 8, 1, 3, 0, 1, 8, 0, 8, 4
OFFSET
2,2
LINKS
Eric Weisstein's World of Mathematics, Truncated Cube.
Wikipedia, Truncated cube.
FORMULA
Equals 7 + (14/3)*sqrt(2) = 7 + 14*A131594.
EXAMPLE
13.599663291074443561074547379645257699991802085...
MATHEMATICA
First[RealDigits[7 + 14*Sqrt[2]/3, 10, 100]] (* or *)
First[RealDigits[PolyhedronData["TruncatedCube", "Volume"], 10, 100]]
CROSSREFS
Cf. A377298 (surface area), A294968 (circumradius), A010503 (midradius - 1), A377296 (Dehn invariant, negated).
Cf. A131594.
Sequence in context: A254689 A176445 A292863 * A160173 A256537 A092996
KEYWORD
nonn,cons,easy
AUTHOR
Paolo Xausa, Oct 25 2024
STATUS
approved