27343750

Appears in sequences

• Triangle read by rows. T(n, m) are the coefficients of Sidi polynomials.at n=40A075513
• a(n) = 5^n*(n^2 - n + 50)/50.at n=10A081911
• a(n) = (n^3 +n)*5^n.at n=6A128013
• Triangle t(n,m)= (m+1)^n*binomial(n,m) if m <= n/2, otherwise t(n,m) = t(n,n-m).at n=40A167034
• Triangle read by rows, T(n,k) = k^n*A056040(n), n>=0, 0<=k<=n.at n=41A195009
• Hypotenuses for which there exist exactly 9 distinct integer triangles.at n=10A290500