A377342 Decimal expansion of the volume of a truncated octahedron with unit edge length.

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

Offset

2,3

Links

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

Eric Weisstein's World of Mathematics, Truncated Octahedron.

Wikipedia, Truncated octahedron.

Formula

Equals 8*sqrt(2) = 8*A002193 = 4*A010466 = 2*A010487.

Example

11.3137084989847603904135097936775846285573750030...

Mathematica

First[RealDigits[8*Sqrt[2], 10, 100]] (* or *)
First[RealDigits[PolyhedronData["TruncatedOctahedron", "Volume"], 10, 100]]

Crossrefs

Cf. A377341 (surface area), A020797 (circumradius/10), A152623 (midradius).

Cf. A131594 (analogous for a regular octahedron).

Cf. A002193, A010466, A010487.

Sequence in context: A171961 A205121 A152903 * A226522 A122507 A257258

Adjacent sequences: A377339 A377340 A377341 * A377343 A377344 A377345

Keyword

nonn,cons,easy

Author

Paolo Xausa, Oct 25 2024

Status

approved