409573584

Appears in sequences

• a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), where m=[ (n+1)/2 ], T given by A026725.at n=28A026847
• a(n) = Sum_{i=0..n} binomial(2*n+i,n-i).at n=14A108080