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 A008250 Coordination sequence T2 for Banalsite. 1
 1, 4, 11, 24, 42, 65, 97, 135, 176, 221, 277, 337, 400, 469, 547, 629, 716, 807, 907, 1013, 1122, 1235, 1359, 1487, 1618, 1755, 1901, 2051, 2206, 2365, 2533, 2707, 2884, 3065, 3257, 3453, 3652, 3857, 4071, 4289, 4512, 4739, 4975, 5217, 5462, 5711, 5971 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 REFERENCES Inorganic Crystal Structure Database: Collection Code 4447. 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 FORMULA a(12*m+k) = 408*m^2 + 68*k*m + one of 12 numbers depending on k, 0<=k<12. - N. J. A. Sloane G.f.: (1+3*x+7*x^2+12*x^3+14*x^4+13*x^5+12*x^6+8*x^7+3*x^8-3*x^9-x^10-x^11) / ((1-x)^3*(1+x)*(1+x^2)*(1+x+x^2)). - Colin Barker, Dec 20 2015 CROSSREFS Sequence in context: A008079 A301045 A008090 * A306262 A099074 A014818 Adjacent sequences: A008247 A008248 A008249 * A008251 A008252 A008253 KEYWORD nonn,easy AUTHOR Ralf W. Grosse-Kunstleve STATUS approved

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Last modified October 3 09:41 EDT 2023. Contains 365854 sequences. (Running on oeis4.)