2555190domain: NAppears in sequencesBinomial coefficient C(6n,n-11).at n=4A004366Binomial coefficients C(n,86).at n=4A017750Binomial coefficients C(90,n).at n=4A017806Triangle, read by rows, T(n, k) = binomial(n*binomial(n, k), k).at n=25A157108