387136

Appears in sequences

• Domb numbers: number of 2n-step polygons on diamond lattice.at n=6A002895
• Expansion of 1/(1-4x-4x^3).at n=9A089979
• Square array A(n,k) = (n!)^2 [x^n] BesselI(0, 2*sqrt(x))^k read by antidiagonals.at n=61A287316