2801708

Appears in sequences

• Triangle T(m,n) read by rows: unimodular triangulations of the grid P(m,n), m,n > 0, n <= m.at n=16A082640
• a(n) is the number of unimodular triangulations of [0,2]x[0,n].at n=5A296165
• a(n) is the number of primitive triangulations of a 6 X n rectangle.at n=1A351485