This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A377342 #5 Nov 01 2024 23:48:07 %S A377342 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, %T A377342 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, %U A377342 8,5,9,8,2,7,6,9,6,8,5,6,3,1,0,8,0,3,1,0,0,2 %N A377342 Decimal expansion of the volume of a truncated octahedron with unit edge length. %H A377342 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TruncatedOctahedron.html">Truncated Octahedron</a>. %H A377342 Wikipedia, <a href="https://en.wikipedia.org/wiki/Truncated_octahedron">Truncated octahedron</a>. %F A377342 Equals 8*sqrt(2) = 8*A002193 = 4*A010466 = 2*A010487. %e A377342 11.3137084989847603904135097936775846285573750030... %t A377342 First[RealDigits[8*Sqrt[2], 10, 100]] (* or *) %t A377342 First[RealDigits[PolyhedronData["TruncatedOctahedron", "Volume"], 10, 100]] %Y A377342 Cf. A377341 (surface area), A020797 (circumradius/10), A152623 (midradius). %Y A377342 Cf. A131594 (analogous for a regular octahedron). %Y A377342 Cf. A002193, A010466, A010487. %K A377342 nonn,cons,easy %O A377342 2,3 %A A377342 _Paolo Xausa_, Oct 25 2024