2898753715domain: NAppears in sequencesBinomial coefficients C(n,72).at n=7A017736Binomial coefficients C(79,n).at n=7A017795a(n) = binomial(prime(4+n), prime(4)).at n=18A126997a(n) = binomial(n^2, n) / ( n*(n+1) ).at n=7A177784a(n) = 8*binomial(9*n+8,n)/(9*n+8).at n=8A234513