35607051480domain: NAppears in sequencesBinomial coefficient C(4n,n-4).at n=10A004334a(n) = binomial coefficient C(n,46).at n=10A010999Binomial coefficients C(56,n).at n=10A017772Column 0 of triangle A107867; a(n) = C( n*(n-1)/2 + n + 1, n).at n=10A107868Binomial coefficients C(2*n+10,10).at n=23A196789