login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A009943 Coordination sequence for NiAs(1), As position. 2
1, 6, 24, 56, 96, 152, 216, 296, 384, 488, 600, 728, 864, 1016, 1176, 1352, 1536, 1736, 1944, 2168, 2400, 2648, 2904, 3176, 3456, 3752, 4056, 4376, 4704, 5048, 5400, 5768, 6144, 6536, 6936, 7352, 7776, 8216, 8664, 9128, 9600, 10088, 10584 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

Gmelin Handbook of Inorg. and Organomet. Chem., 8th Ed., 1994, TYPIX search code (194) hP4.

LINKS

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

R. W. Grosse-Kunstleve, Coordination Sequences and Encyclopedia of Integer Sequences

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

MAPLE

(1+4*x+12*x^2+10*x^3-5*x^4+2*x^5)/(1-x^2)/(1-x)^2;

CROSSREFS

Sequence in context: A033581 A213393 A274205 * A028595 A002653 A212904

Adjacent sequences:  A009940 A009941 A009942 * A009944 A009945 A009946

KEYWORD

nonn

AUTHOR

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 February 16 04:47 EST 2019. Contains 320140 sequences. (Running on oeis4.)