52400

Appears in sequences

• Number of length 2+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.at n=36A250321
• Expansion of Product_{k>=0} ((1+x^(2*k+1))/(1-x^(2*k+1)))^3.at n=15A261647
• Number of aperiodic arrays of positive integers summing to n.at n=15A323867
• Expansion of Sum_{k>0} x^(4*k)/(1-x^k)^5.at n=34A363608
• a(n) = (1/2) * Sum_{k=0..floor(n/2)} 2^(n-2*k) * binomial(2*k+2,2*n-4*k+1).at n=17A387554