56180

Appears in sequences

• a(n) = 2*a(n-1) - [(n+1)/3] for n>0 with a(0) = 1.at n=17A136169
• Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.at n=11A251121
• Sum of the squarefree parts of the partitions of n into 10 parts.at n=37A309486