This site is supported by donations to The OEIS Foundation.

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A020829 Decimal expansion of 1/sqrt(72) = 1/(3*2^(3/2)) = sqrt(2)/12. 7
 1, 1, 7, 8, 5, 1, 1, 3, 0, 1, 9, 7, 7, 5, 7, 9, 2, 0, 7, 3, 3, 4, 7, 4, 0, 6, 0, 3, 5, 0, 8, 0, 8, 1, 7, 3, 2, 1, 4, 1, 3, 9, 3, 2, 2, 9, 4, 8, 0, 7, 9, 0, 0, 6, 0, 9, 8, 0, 5, 6, 6, 4, 4, 8, 3, 2, 5, 6, 1, 0, 3, 9, 8, 7, 1, 8, 4, 2, 2, 5, 3, 2, 3, 7, 5, 3, 2, 2, 9, 4, 5, 2, 7, 3, 0, 3, 4, 6, 4 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Volume of regular tetrahedron with unit edge. - Stanislav Sykora, May 31 2012 LINKS Ivan Panchenko, Table of n, a(n) for n = 0..1000 Wikipedia, Tetrahedron Wikipedia, Platonic solid EXAMPLE 0.117851130197757920733474... MATHEMATICA RealDigits[sqrt(2)/12, 10, 50][[1]] (* G. C. Greubel, Jul 06 2017 *) PROG (PARI) sqrt(2)/12 \\ G. C. Greubel, Jul 06 2017 CROSSREFS 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 KEYWORD nonn,cons AUTHOR STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 18 11:25 EST 2019. Contains 319271 sequences. (Running on oeis4.)