login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A008268 Coordination sequence T2 for Coesite. 1
1, 4, 10, 23, 47, 83, 127, 174, 221, 276, 356, 428, 494, 603, 698, 781, 912, 1035, 1131, 1289, 1435, 1542, 1735, 1903, 2014, 2245, 2435, 2556, 2817, 3032, 3160, 3459, 3694, 3824, 4166, 4426, 4551, 4937, 5222, 5345, 5771, 6083, 6204, 6675, 7004, 7125, 7645 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

Inorganic Crystal Structure Database: Collection Code 18112.

LINKS

Sean A. Irvine, Table of n, a(n) for n = 0..1000

R. W. Grosse-Kunstleve, G. O. Brunner and N. J. A. Sloane, Algebraic Description of Coordination Sequences and Exact Topological Densities for Zeolites, Acta Cryst., A52 (1996), pp. 879-889.

Sean A. Irvine, Generating Functions for Coordination Sequences of Zeolites, after Grosse-Kunstleve, Brunner, and Sloane

FORMULA

G.f.: [ 1 ]^3 * poly of degree 32 / [ 3 ][ 3 ][ 4 ][ 5 ][ 6 ][ 7 ], where [ k ] = (1-x^k) (Colin Mallows).

CROSSREFS

Sequence in context: A024980 A002766 A305102 * A084446 A209815 A158671

Adjacent sequences:  A008265 A008266 A008267 * A008269 A008270 A008271

KEYWORD

nonn

AUTHOR

mgeorg(AT)ntu.edu.sg (Georg Thimm); Ralf W. Grosse-Kunstleve

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 27 03:56 EST 2021. Contains 349345 sequences. (Running on oeis4.)