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A208632
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Number of n X n 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors
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1
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1, 5, 32, 225, 1652, 12404, 94320, 722733, 5565560, 43005391, 333132384, 2585476348, 20097106512, 156418938680, 1218807197408, 9506457334965, 74216779041840, 579903491112365, 4534776883051800, 35488119754971345
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