50743

Appears in sequences

• The z^2 coefficients of the polynomials in the GF4 denominators of A156933.at n=5A157708
• Number of arrays of n nonnegative integers with value i>0 appearing only after i-1 has appeared at least 5 times.at n=17A210542
• Antidiagonal sums of A321396.at n=21A321395
• a(n) = Sum_{k=0..floor(n/3)} binomial(n,k) * binomial(4*k,n-3*k).at n=12A389152