128224

Appears in sequences

• Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths ending at each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 8, n >= 2.at n=35A214375
• Number of necklace compositions of n where no pair of circularly adjacent parts is relatively prime.at n=48A328602
• a(n) = [x^n](x - 2*x^3)/(1 - 2*x*(x + 1))^2.at n=11A331319