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Search: id:A077593
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| A077593 |
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Table by antidiagonals where T(n,k)=sum_i T(floor[n/i],k-1) starting with T(n,0)=1 if n>0 and T(0,0)=0. |
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2
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| 0, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 3, 1, 0, 1, 4, 5, 4, 1, 0, 1, 5, 7, 8, 5, 1, 0, 1, 6, 9, 13, 10, 6, 1, 0, 1, 7, 11, 19, 16, 14, 7, 1, 0, 1, 8, 13, 26, 23, 25, 16, 8, 1, 0, 1, 9, 15, 34, 31, 39, 28, 20, 9, 1, 0, 1, 10, 17, 43, 40, 56, 43, 38, 23, 10, 1, 0, 1, 11, 19, 53, 50, 76, 61, 63
(list; table; graph; listen)
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OFFSET
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0,9
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FORMULA
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T(n, k) =T(n-1, k)+A077592(n, k). Writing m as sum_i p_i^e_i, T(n, k)= sum_m{1<=m<=n} product_i C(k+e_i-1, e_i).
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EXAMPLE
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Rows start: 0,0,0,0,0,0...; 1,1,1,1,1,1...; 1,2,3,4,5,6...; 1,3,5,7,9,11...; 1,4,8,13,19,26,...; etc.
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CROSSREFS
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Columns include A057427, A001477, A006218, A061201, A061202, A061203, A061204. Rows include (with offsets) A000004, A000012, A000027, A005408, A034856, A052905. Cf. A077593.
Sequence in context: A103493 A121480 A082601 this_sequence A119337 A110555 A071919
Adjacent sequences: A077590 A077591 A077592 this_sequence A077594 A077595 A077596
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KEYWORD
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nonn,tabl
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Nov 08 2002
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