159497910

Appears in sequences

• Expansion of 1/(1-3*x)^10; 10-fold convolution of A000244 (powers of 3).at n=8A036223
• a(n) = 3^n*binomial(2*n+1, n).at n=8A098399
• Expansion of e.g.f. BesselI(0,2*sqrt(3)*x) + BesselI(1,2*sqrt(3)*x)/sqrt(3).at n=17A098662