154450

Appears in sequences

• Main diagonal of triangle A100229.at n=10A100230
• Triangle, read by rows, equal to P^5, where triangle P = A135880.at n=22A135892
• Triangle, read by rows, equal to R^2, the matrix square of R = A135894.at n=30A135895
• Expansion of x*(3+x-x^3)/((1-3*x-x^2)*(1-x)*(1+x)).at n=10A212962