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A185790
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Number of (n+1) X 2 binary arrays with no 2 X 2 subblock sum equal to any horizontal or vertical neighbor 2 X 2 subblock sum.
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1
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16, 40, 100, 260, 676, 1716, 4356, 11220, 28900, 73780, 188356, 483476, 1240996, 3174900, 8122500, 20822100, 53377636, 136666036, 349914436, 896578580, 2297284900, 5883599220, 15068544516, 38602941396, 98893896676, 253305662260
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