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A301025 Coordination sequence T5 for Zeolite Code EZT. 1
1, 4, 9, 18, 29, 48, 72, 94, 124, 156, 192, 236, 278, 324, 376, 432, 496, 556, 618, 694, 768, 850, 932, 1010, 1106, 1198, 1300, 1404, 1498, 1614, 1726, 1846, 1970, 2082, 2216, 2350, 2490, 2632, 2762, 2914, 3070, 3228, 3388, 3540, 3710, 3884, 4062 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

R. W. Grosse-Kunstleve, Table of n, a(n) for n = 0..1000

Sean A. Irvine, Generating Functions for Coordination Sequences of Zeolites, after Grosse-Kunstleve, Brunner, and Sloane

International Zeolite Association, Database of Zeolite Structures

FORMULA

G.f.: (1 + 4*x + 29*x^4 + 46*x^5 + 85*x^9 + 9*x^2 + 18*x^3 + 64*x^6 + 75*x^7 + 83*x^8 + 70*x^10 + 49*x^11 + 24*x^12 - 16*x^13 - 47*x^14 - 67*x^15 - 86*x^16 - 92*x^17 - 81*x^18 - 68*x^19 - 51*x^20 - 29*x^21 - 15*x^22 + 2*x^24 - 3*x^29 + 3*x^25 + x^27 - 2*x^30 - 6*x^23) / (1 - x^5)^2 / (1 - x^7) / (1 - x^8).

CROSSREFS

Sequence in context: A103976 A301257 A036695 * A147229 A008149 A008025

Adjacent sequences:  A301022 A301023 A301024 * A301026 A301027 A301028

KEYWORD

nonn

AUTHOR

Sean A. Irvine, Mar 17 2018

STATUS

approved

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Last modified October 24 18:08 EDT 2021. Contains 348233 sequences. (Running on oeis4.)