412000

Appears in sequences

• a(n) = ((1+sqrt(8))*(2+sqrt(2))^n + (1-sqrt(8))*(2-sqrt(2))^n)/2.at n=10A111566
• Riordan array (1/(1-10*x-10*x^2), x/(1-10*x-10*x^2)).at n=22A206819
• a(n) = n^3*(5*n+3)/2.at n=20A229146