154969620

Appears in sequences

• a(n) = 13*binomial(2n,n-6)/(n+7).at n=11A000590
• a(n) = T(3n+1,n), where T = Catalan triangle (A008315).at n=11A026004
• Number of Young tableaux of shape [n, floor(n/2)].at n=23A368567