A379732 Decimal expansion of 207/208.

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

Offset

0,1

Comments

Conjectured densest packing of truncated tetrahedra.

Links

Table of n, a(n) for n=0..89.

Pablo F. Damasceno, Michael Engel, and Sharon C. Glotzer, Crystalline Assemblies and Densest Packings of a Family of Truncated Tetrahedra and the Role of Directional Entropic Forces, arXiv:1109.1323 [cond-mat.soft], 2011.

Yang Jiao and Sal Torquato, Analytical Construction of A Dense Packing of Truncated Tetrahedra, arXiv:1107.2300 [cond-mat.soft], 2011.

Wikipedia, Truncated tetrahedron.

Index entries for linear recurrences with constant coefficients, signature (1,0,-1,1).

Example

0.995192307692307692307692307692307692307692307692...

Mathematica

First[RealDigits[207/208, 10, 100]]

Crossrefs

Cf. A374772, A377274, A377275.

Sequence in context: A192106 A346572 A343056 * A117232 A155995 A347151

Adjacent sequences: A379729 A379730 A379731 * A379733 A379734 A379735

Keyword

nonn,cons,easy

Author

Paolo Xausa, Dec 31 2024

Status

approved