134217674

Appears in sequences

• Second-order Eulerian numbers: a(n) = 2^n - 2*n.at n=27A005803
• E.g.f.: (e^x - x)^2.at n=27A130102
• Partial sums of A000918, starting from index 1.at n=25A145654
• a(n) = 4*A061547(n+1) - 3*A166753(n).at n=25A166754