1888460

Appears in sequences

• Expansion of (1+x)^50 * (1-x)/(1 - x^51).at n=5A173246
• Number of standard Young tableaux of shape [5n,5].at n=9A215545
• a(n) = binomial(10*n,n)*(8*n+1)/(9*n+1).at n=5A215554