login
A008048
Coordination sequence T2 for Zeolite Code BIK.
1
1, 4, 12, 26, 42, 66, 102, 140, 164, 216, 288, 334, 372, 458, 556, 620, 668, 776, 922, 998, 1034, 1190, 1384, 1448, 1494, 1696, 1920, 1998, 2042, 2270, 2562, 2640, 2652, 2948, 3300, 3346, 3364, 3718, 4104, 4160, 4164, 4548, 5022, 5066, 5018, 5490, 6036
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.: (3*x^14 - 4*x^13 - 6*x^12 - 40*x^11 - 58*x^10 - 106*x^9 - 121*x^8 - 136*x^7 - 117*x^6 - 90*x^5 - 58*x^4 - 32*x^3 - 14*x^2 - 4*x - 1) / ((x - 1)^3 * (x + 1) * (x^2 + 1)^3 * (x^2 + x + 1)^2). - Colin Barker, Apr 23 2014
CROSSREFS
Sequence in context: A364373 A008176 A009903 * A301141 A008064 A008159
KEYWORD
nonn
STATUS
approved