0,2

R. W. Grosse-Kunstleve, Coordination Sequences and Encyclopedia of Integer Sequences

International Zeolite Association, Database of Zeolite Structures

(x^27+2*x^26+x^25-2*x^24-9*x^23-20*x^22-34*x^21-53*x^20-75*x^19-98*x^18-

121*x^17-142*x^16-159*x^15-172*x^14-178*x^13-177*x^12-170*x^11-157*x^10-139*x^9

-117*x^8-94*x^7-71*x^6-51*x^5-34*x^4-20*x^3-10*x^2-4*x-1)/(x^5-x^4+x-1)/(x^7-1)

/(x^13+x^12+x^11-x^2-x-1)

Adjacent sequences: A008031 A008032 A008033 this_sequence A008035 A008036 A008037

Sequence in context: A047963 A008260 A016430 this_sequence A008134 A009897 A009886

nonn,easy

rwgk(AT)cci.lbl.gov (R.W. Grosse-Kunstleve)