OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) + 3*a(n-2) - 41*a(n-3) + 11*a(n-4) + 137*a(n-5) - 82*a(n-6) - 176*a(n-7) + 108*a(n-8) + 108*a(n-9) - 72*a(n-10).
Empirical g.f.: x*(3 - 8*x - 30*x^2 + 65*x^3 + 125*x^4 - 206*x^5 - 202*x^6 + 244*x^7 + 156*x^8 - 144*x^9) / ((1 - x)*(1 - 2*x)*(1 - x - 3*x^2 + 2*x^4)*(1 - x - 9*x^2 + 18*x^4)). - Colin Barker, Sep 29 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 09 2013
STATUS
approved