The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A212952 Decimal expansion of 3*sqrt(3)/16. 0
 3, 2, 4, 7, 5, 9, 5, 2, 6, 4, 1, 9, 1, 6, 4, 4, 9, 2, 5, 3, 6, 3, 9, 6, 1, 8, 9, 0, 3, 2, 3, 5, 1, 0, 6, 8, 8, 0, 1, 7, 7, 5, 9, 8, 5, 0, 8, 9, 4, 4, 6, 3, 6, 7, 7, 6, 0, 4, 6, 3, 8, 0, 8, 6, 4, 7, 2, 3, 7, 4, 4, 0, 6, 7, 0, 4, 0, 0, 0, 0, 6, 9, 5, 2, 7, 1, 4, 9, 1, 0, 0, 1, 6, 9, 8, 4, 1, 0, 7, 9 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Decimal expansion of constant arising in analysis of classical atom in an expanding universe. A quadratic number with denominator 16 and minimal polynomial 256*x^2 - 27. - Charles R Greathouse IV, Apr 21 2016 LINKS W. B. Bonnor, Size of a hydrogen atom in the expanding universe, Class. Quantum Grav. 16(1999), p. 1313. Richard H. Price and Joseph D. Romano, In an expanding universe, what doesn't expand?, arXiv:gr-qc/0508052, 2005-2012; American Journal of Physics, May 2012, Volume 80, Issue 5, pp. 37. EXAMPLE 0.3247595264.... PROG (PARI) sqrt(27)/16 \\ Charles R Greathouse IV, Apr 21 2016 CROSSREFS Sequence in context: A054086 A163329 A261147 * A246259 A105025 A129594 Adjacent sequences: A212949 A212950 A212951 * A212953 A212954 A212955 KEYWORD nonn,easy,cons AUTHOR Jonathan Vos Post, Jun 01 2012 STATUS approved

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

Last modified December 8 07:08 EST 2022. Contains 358673 sequences. (Running on oeis4.)