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A049430
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Triangle read by rows: T(n,d) is the number of distinct properly d-dimensional polyominoes (or polycubes) with n cells (n >= 1, d >= 0).
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19
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1, 0, 1, 0, 1, 1, 0, 1, 4, 2, 0, 1, 11, 11, 3, 0, 1, 34, 77, 35, 6, 0, 1, 107, 499, 412, 104, 11, 0, 1, 368, 3442, 4888, 2009, 319, 23, 0, 1, 1284, 24128, 57122, 36585, 8869, 951, 47, 0, 1, 4654, 173428, 667959, 647680, 231574, 36988, 2862, 106, 0, 1, 17072, 1262464, 7799183, 11173880, 5712765, 1297366, 146578, 8516, 235
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OFFSET
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1,9
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LINKS
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EXAMPLE
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Triangle begins:
1
0 1
0 1 1
0 1 4 2
0 1 11 11 3
0 1 34 77 35 6
0 1 107 499 412 104 11
0 1 368 3442 4888 2009 319 23
0 1 1284 24128 57122 36585 8869 951 47
0 1 4654 173428 667959 647680 231574 36988 2862 106
0 1 17072 1262464 7799183 11173880 5712765 1297366 146578 8516 235
...
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CROSSREFS
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Cf. A330891 (cumulative sums of the rows).
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KEYWORD
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AUTHOR
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Richard C. Schroeppel
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EXTENSIONS
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STATUS
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approved
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