268435400

Appears in sequences

• Second-order Eulerian numbers: a(n) = 2^n - 2*n.at n=28A005803
• a(n) = 4^n - 4*n.at n=14A107584
• E.g.f.: (e^x - x)^2.at n=28A130102
• Partial sums of A000918, starting from index 1.at n=26A145654