57145

Appears in sequences

• Quartic product sequence: a(n) = Product_{k=1..(n-1)/2} (1 + m*cos(k*Pi/n)^2 + q*cos(k*Pi/n)^4), with m=12 and q = 3*4^3.at n=8A152096
• Number of 6-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=23A187511
• Numbers which are the roots of distinct not-previously-encountered side-trees ("tendrils") sprouting from the side of the infinite beanstalk (see A213730).at n=41A218612
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 929", based on the 5-celled von Neumann neighborhood.at n=34A273781
• Number of induced paths in the n-ladder graph P_2 X P_n.at n=16A360201