196916

Appears in sequences

• Number of n X n 0..3 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=2A207576
• Number of nX3 0..3 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=2A207577
• T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=12A207582
• Number of n X n 0..3 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.at n=2A209086
• Number of n X 3 0..3 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.at n=2A209087
• T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.at n=12A209092
• Number of 3-matchings of the n X n grid graph.at n=8A243206
• Number of self-avoiding walks on a 2-dimensional square lattice where the walk consists of steps with incrementing lengths equal to the prime numbers, from 2 to prime(n).at n=11A336262