158753389900domain: NAppears in sequencesBinomial coefficient C(3n,n-5).at n=12A004323Binomial coefficient C(n,39).at n=12A010992Binomial coefficients C(51,n).at n=12A017767a(n) = binomial(4*n,n)/4.at n=12A224274Number of n-member subsets of [4*n] whose elements sum to a multiple of four.at n=13A318592