49219

Appears in sequences

• Matrix logarithm of triangle A104980.at n=47A104986
• Triangular array: T(n,k) = T(n,n) = 1, T(n,k) = 5*T(n-1, k-1) + 2*T(n-1, k), read by rows.at n=33A119727
• Number of (w,x,y) with all terms in {0,...,n} and 2*max(w,x,y) >= 3*min(w,x,y).at n=37A213392
• Expansion of (1+11*x+24*x^2+11*x^3+x^4)/(1-x)^5.at n=12A294433
• Number of 4Xn 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=8A302530
• Expansion of g.f. (1+z+z^2-sqrt(1+2*z-z^2-6*z^3-3*z^4))/(2*z^2*(1+z)).at n=37A359140