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Search: id:A104443
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| A104443 |
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Square of P(n,t) read by antidiagonals. P(n,t)=ways to split 1, 2, 3, ..., tn into n arithmetical progressions each with t terms. |
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15
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| 1, 1, 1, 1, 3, 1, 1, 2, 15, 1, 1, 2, 5, 105, 1, 1, 2, 4, 15, 945, 1, 1, 2, 4, 11, 55, 10395, 1, 1, 2, 4, 10, 23, 232, 135135, 1, 1, 2, 4, 10, 21, 68, 1161, 2027025, 1
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