71012

Appears in sequences

• Erroneous version of A173380.at n=12A002932
• Number of n-step walks on square lattice (no points repeated, no adjacent points unless consecutive in path).at n=12A173380
• Number of 4X4 0..n arrays with each 2X2 non-center subblock determinant nonzero and the array of 2X2 subblock determinants antisymmetric under 90 degree rotation.at n=7A187626
• Number of fixed hexagonal polyominoes with n cells that have a horizontal axis of symmetry that is a diagonal of at least one of the n cells.at n=16A347258