The OEIS is looking to hire part-time people to help edit core sequences, upload scanned documents, process citations, fix broken links, etc. - Neil Sloane, firstname.lastname@example.org
Volume of regular tetrahedron with unit edge. - Stanislav Sykora, May 31 2012
Ivan Panchenko, Table of n, a(n) for n = 0..1000
Wikipedia, Platonic solid
Cf. A131594 (regular octahedron volume), A102208 (regular icosahedron volume), A102769 (regular dodecahedron volume).
Sequence in context: A256920 A195340 A019794 * A109916 A277053 A076415
Adjacent sequences: A020826 A020827 A020828 * A020830 A020831 A020832
N. J. A. Sloane