229370

Appears in sequences

• a(n) = T(7,n), array T given by A047858.at n=14A048468
• a(n) = 7*2^n - 6.at n=15A048489
• G.f.: (1+3*x+2*x^2)/((1-x)*(1-2*x^2)).at n=30A063757
• Expansion of (1+4*x+5*x^2-x^3)/((1-x)*(1+x)*(1-2*x^2)).at n=30A220753