2744211

Appears in sequences

• Expansion of (2-3*x-x^2)/((1-x)*(1-2*x-x^2)).at n=17A052937
• a(n) = A001541(n)*A001653(n+1) + A001541(n)*A002315(n) + A001653(n+1)*A002315(n).at n=4A111649
• a(n) = A000129(n) + (-1)^n.at n=18A111954
• Expansion of (1+x)*(2*x-1)/((1-x)*(x^2+2*x-1)).at n=18A174191
• a(n) = 6*a(n-1) - a(n-2) - 4 with n > 1, a(0)=1, a(1)=3.at n=9A182189