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Search: id:A005321
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| A005321 |
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Upper triangular n X n (0,1)-matrices with no empty rows or columns.
(Formerly M1986)
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+0
8
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| 1, 1, 2, 10, 122, 3346, 196082, 23869210, 5939193962, 2992674197026, 3037348468846562, 6189980791404487210, 25285903982959247885402
(list; graph; listen)
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