130800

Appears in sequences

• Number of 2n-bead balanced binary necklaces which are equivalent to their reversed complement, but not equivalent to their reverse and complement.at n=18A045678
• A007318 * [1, 1, -1, 1, 1, 1, ...].at n=17A142974
• The fifth row of the ED2 array A167560.at n=11A167562
• Numbers that return to the origin when performing a non-backtracking walk on a 2D square lattice where at each step the walk moves as close as possible to the origin and the step lengths are the ordered prime factors of the integers, starting with a step of length 1.at n=7A344467