783768050065domain: NAppears in sequencesBinomial coefficient C(7n,n-4).at n=9A004372Binomial coefficients C(n,82).at n=9A017746Binomial coefficients C(91,n).at n=9A017807a(n) = binomial(sigma(n),tau(n)), where sigma(n) is the sum and tau(n) the number of divisors of n (A000203, A000005).at n=35A068904