149846840domain: NAppears in sequencesFermat coefficients.at n=31A000973a(n) = binomial(prime(n),s)/prime(n) where s is the sum of the decimal digits of prime(n).at n=15A176267a(n) = 8*binomial(9*n+8,n)/(9*n+8).at n=7A234513a(n) = binomial(n^2 + n - 1, n) / (n^2 + n - 1).at n=7A351501