5242856

Appears in sequences

• a(n) = T(5,n), array T given by A048505.at n=15A048510
• a(n+3) = 3*a(n+2) - 2*a(n+1) + 1 with a(0)=1, a(1)=5.at n=20A094002
• Expansion of (1-3*x+6*x^2-3*x^3)/((1-x)^2*(1-2*x)).at n=21A188589