491796152domain: NAppears in sequencesBinomial coefficients C(n,55).at n=7A017719Binomial coefficients C(62,n).at n=7A017778Binomial coefficients C(2*n-6,7).at n=27A053129Product of next n numbers divided by the largest factorial divisor.at n=10A094336a(n) = binomial(n^2, n)/(n+1).at n=6A177234