71456

Appears in sequences

• Number of diagonal dissections of an n-gon into 3 regions.at n=28A033275
• Sequence of pairs numerator(s(n)), denominator(s(n)) where s(n) is the n-th partial sum of 1/A119752(n).at n=11A120342
• 15-gonal (or pentadecagonal) pyramidal numbers: a(n) = n*(n+1)*(13*n-10)/6.at n=32A177890
• a(n) = (n-1)*(n-2)*(n+3)*(n+2)/12.at n=30A299120