27285336domain: NAppears in sequencesBinomial coefficients C(n,77).at n=5A017741Binomial coefficients C(82,n).at n=5A017798Triangle, read by rows, where T(n,k) = C( C(n+2,3) - C(k+2,3) + 2, n-k) for n>=k>=0.at n=30A126454