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A008026
Coordination sequence T1 for Zeolite Code AFT.
1
1, 4, 9, 17, 29, 45, 64, 85, 110, 140, 173, 208, 247, 294, 347, 399, 449, 504, 570, 641, 708, 774, 848, 932, 1018, 1101, 1186, 1278, 1377, 1479, 1581, 1684, 1791, 1907, 2032, 2158, 2279, 2400, 2533, 2678, 2821, 2956, 3094, 3247, 3409, 3566, 3718, 3876, 4046
OFFSET
0,2
REFERENCES
W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996
FORMULA
G.f.: (1 + 4*x + 9*x^2 + 68*x^20 + 82*x^15 + 73*x^17 + 68*x^19 + 67*x^21 + 64*x^22 + 59*x^23 + 51*x^24 + 40*x^25 + 28*x^26 + 17*x^27 + 9*x^28 + 4*x^29 + x^30 + 28*x^4 + 40*x^5 + 51*x^6 + 59*x^7 + 64*x^8 + 67*x^9 + 68*x^10 + 68*x^11 + 69*x^12 + 73*x^13 + 79*x^14 + 79*x^16 + 69*x^18 + 17*x^3) / (1-x^4) / (1-x^5) / (1-x^21). - Sean A. Irvine, Mar 13 2018
CROSSREFS
Sequence in context: A009878 A057316 A008066 * A009865 A008001 A008123
KEYWORD
nonn
STATUS
approved