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A172718
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Number of 9*n X n 0..2 arrays with row sums 2 and column sums 18
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1
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1, 44152809, 12331175198408791725, 1237527402223677679598899948925700, 10500268455366221173591541192738752806765261187500, 3138480844349933121860864061245246387668619696538799391771830312500
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OFFSET
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1,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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