login
A057314
Coordination sequence T1 for Zeolite Code SAV.
1
1, 4, 9, 17, 29, 45, 65, 88, 113, 143, 179, 215, 252, 298, 349, 398, 451, 511, 572, 635, 705, 780, 856, 933, 1014, 1101, 1192, 1286, 1384, 1484, 1586, 1693, 1804, 1919, 2040, 2162, 2283, 2411, 2546, 2681, 2819, 2964, 3111, 3258, 3410, 3569, 3731, 3893
OFFSET
0,2
FORMULA
G.f.: (1 + x) * (1 + x + 3*x^2 + 4*x^3 + 6*x^4 + 8*x^5 + 9*x^6 + 9*x^7 + 9*x^8 + 9*x^9 + 6*x^10 + 4*x^11 + 3*x^12 + 2*x^13 + x^15 - x^16) / ((1 - x)^3 * (1 - x + x^2) * (1 + x^2) * (1 + x + x^2) * (1 + x + x^2 + x^3 + x^4 + x^5 + x^6)). - Colin Barker, Dec 19 2015
CROSSREFS
Sequence in context: A008003 A008028 A008002 * A057315 A008110 A008224
KEYWORD
nonn
STATUS
approved