1244979

Appears in sequences

• Crystal ball sequence for 5-dimensional cubic lattice.at n=21A001847
• a(n) = Sum_{k=0..n} 2^k * binomial(n,k) * binomial(4*n+1,k).at n=5A388046
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where A(n,k) = Sum_{j=0..n} binomial(n,j) * binomial(k*n+j+1,n).at n=50A388052