41886720

Appears in sequences

• Permanent of the n-th principal submatrix of A204435.at n=13A204436
• Permanent of the n-th principal submatrix of A204439.at n=13A204440
• E.g.f. A(x) satisfies: d/dx A(x) = 1 + (1/(1 + x)) * A(x/(1 + x)).at n=9A331661