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A324019
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Triangle T(n,k) read by rows giving the number of k-digit zeroless polydivisible numbers in base n with 1 <= k <= n-1.
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5
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1, 2, 2, 3, 3, 3, 4, 8, 10, 10, 5, 10, 10, 10, 10, 6, 18, 36, 52, 62, 62, 7, 21, 49, 49, 68, 68, 68, 8, 32, 64, 128, 205, 205, 233, 233, 9, 36, 108, 216, 216, 324, 416, 416, 416, 10, 50, 166, 416, 832, 1382, 1967, 2465, 2726, 2726, 11, 55, 165, 330, 726, 726, 1140, 1140, 1140, 1140, 1140
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OFFSET
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2,2
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COMMENTS
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For k >= n there is no k-digit zeroless polydivisible number in base n.
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LINKS
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EXAMPLE
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Triangle begins:
n\k | 1 2 3 4 5 6 7 8 9
-----+------------------------------------------
2 | 1;
3 | 2, 2;
4 | 3, 3, 3;
5 | 4, 8, 10, 10;
6 | 5, 10, 10, 10, 10;
7 | 6, 18, 36, 52, 62, 62;
8 | 7, 21, 49, 49, 68, 68, 68;
9 | 8, 32, 64, 128, 205, 205, 233, 233;
10 | 9, 36, 108, 216, 216, 324, 416, 416, 416;
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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