141386

Appears in sequences

• Numerators of continued fraction convergents to sqrt(204).at n=8A041378
• G.f. satisfies: A(x) = Sum_{n>=0} x^(n(n+1)/2) * (1 + x*A(x))^n.at n=22A177486
• Triangle read by rows: T(m,n) (m >= n >= 1) = number of edges formed by drawing the line segments connecting any two of the (m+1) X (n+1) lattice points in an m X n grid of squares and extending them to the boundary of the grid.at n=32A333283