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A301166 Coordination sequence T1 for Zeolite Code RWY. 1
1, 4, 6, 12, 17, 28, 38, 52, 64, 84, 104, 124, 143, 172, 198, 228, 259, 292, 324, 364, 400, 444, 490, 532, 573, 628, 678, 732, 789, 844, 898, 964, 1024, 1092, 1164, 1228, 1291, 1372, 1446, 1524, 1607, 1684, 1760, 1852, 1936, 2028, 2126 (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 + 6*x^2 + 12*x^3 + 16*x^4 + 24*x^5 + 30*x^6 + 32*x^7 + 35*x^8 + 32*x^9 + 34*x^10 + 24*x^11 + 16*x^12 + 12*x^13 + 6*x^14 + 4*x^15) / (1 - x^4) / (1 - x^6)^2.

CROSSREFS

Sequence in context: A152519 A240507 A022802 * A310599 A074997 A280383

Adjacent sequences:  A301163 A301164 A301165 * A301167 A301168 A301169

KEYWORD

nonn

AUTHOR

Sean A. Irvine, Mar 19 2018

STATUS

approved

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Last modified November 15 01:00 EST 2019. Contains 329142 sequences. (Running on oeis4.)