694272

Appears in sequences

• Number of length n+4 0..3 arrays with no disjoint pairs in any consecutive five terms having the same sum.at n=31A247399
• a(n) is the determinant of the matrix with elements gcd(i,j) for 2 <= i,j <= n.at n=9A330967
• a(n) is the total number of down-steps after the final up-step in all 4_2-Dyck paths of length 5*n (n up-steps and 4*n down-steps).at n=6A334611