1282975

Appears in sequences

• Binomial coefficients C(n,72).at n=4A017736
• Binomial coefficients C(76,n).at n=4A017792
• Binomial coefficients C(2*n+4,4).at n=36A053134
• a(n) = binomial(4*n,4).at n=18A060541
• Number of solenoidal flows (flow in = flow out) in a 3 X 3 square array with integer velocities -n .. n.at n=21A068722
• Triangle, read by rows, where T(n,k) = C( C(n+2,3) - C(k+2,3) + 2, n-k) for n>=k>=0.at n=31A126454
• Doubly pentagonal numbers: a(n) = n*(3*n-2)*(3*n-1)*(3*n+1)/8.at n=25A232713