19945

Appears in sequences

• Sum of 10 nonzero 8th powers.at n=31A003388
• Numbers k such that the continued fraction for sqrt(k) has period 65.at n=21A020404
• Number of rooted identity trees with n nodes and 3 leaves.at n=28A055328
• Column 2 of triangle A091602.at n=48A091605
• Number of length n+5 0..4 arrays with some three disjoint pairs in each consecutive six terms having the same sum.at n=8A248485
• Number of 2 X 2 matrices with all elements in {-n,..,0,..,n} with permanent = determinant * n.at n=31A280407