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A154091
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Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 14.
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0
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15444, 106446, 294845, 765100, 1132408, 1998601, 2586773, 2366585, 1788843, 1141243, 542455
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