A009943 Coordination sequence for NiAs(1), As position.

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

Offset: 0

Author

Ralf W. Grosse-Kunstleve

Keywords

• nonn

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

Programs

Maple

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