166250

Appears in sequences

• a(n) = n*(n+5)*(50+45*n+n^2)/24.at n=34A101861
• a(n) = binomial(n+2,3)*5^3.at n=18A141480
• G.f. A(x) satisfies A(x) = 1/( 1 - 25*x*A(x)^2 )^(1/5).at n=4A380465