

A265886


Number of n X n 0..2 arrays with the sum of the absolute differences of each element with its horizontal and vertical neighbors equal to the number of neighbors.


1



3, 12, 68, 664, 13672, 560512, 51483264, 8726974464, 3316077264896, 2260633288966144, 3463290521072435200, 9453965541320232534016, 58047351977461819763589120, 633980080610711649347287646208
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