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A104436
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Number of ways to split 1, 2, 3, ..., 3n into 3 arithmetic progressions each with n terms.
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2
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1, 15, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4
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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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