391644

Appears in sequences

• a(n) = binomial(n+3,6) + binomial(n+1,5) + binomial(n,5).at n=21A005732
• a(n) = 10*binomial(n,5) + 6*binomial(n,4) + binomial(n,3) + binomial(n,2).at n=23A380445