105431040

Appears in sequences

• 9-fold convolution of A000302 (powers of 4).at n=7A054339
• a(n) = 4^n*binomial(2*n+1, n).at n=7A098400
• Expansion of e.g.f. BesselI(0,4*x)+BesselI(1,4*x)/2.at n=15A098664