4935847320domain: NAppears in sequencesBinomial coefficient C(5n,n-10).at n=7A004352Binomial coefficients C(n,78).at n=7A017742Binomial coefficients C(85,n).at n=7A017801Triangle, read by rows, where T(n,k) = C( C(n+2,3) - C(k+2,3) + 1, n-k) for n>=k>=0.at n=28A126450Column 0 of triangle A126450; a(n) = C( C(n+2,3) + 1, n).at n=7A126451