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Search: id:A105064
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| A105064 |
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Triangle read by rows: a(n,m) =a(n-1,m)+(m-1)!*n: n<=m. |
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+0
1
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| 1, 1, 3, 1, 5, 11, 1, 13, 31, 55, 1, 49, 121, 217, 337, 1, 241, 601, 1081, 1681, 2401, 1, 1441, 3601, 6481, 10081, 14401, 19441, 1, 10081, 25201, 45361, 70561, 100801, 136081, 176401, 1, 80641, 201601, 362881, 564481, 806401, 1088641, 1411201
(list; table; graph; listen)
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OFFSET
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0,3
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COMMENT
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Triangular content sequence.
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MATHEMATICA
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a[0, 0] = 1; a[1, 0] = 1; a[n_, 1] := a[n, 1] = n; a[1, m_] := a[1, m] = 1 a[n_, m_] := a[n, m] = a[n - 1, m] + (m - 1)!*n; aa = Flatten[Table[Table[a[n, m], {n, 1, m}], {m, 0, 20}]]
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CROSSREFS
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Sequence in context: A065229 A093905 A063853 this_sequence A073496 A091623 A059616
Adjacent sequences: A105061 A105062 A105063 this_sequence A105065 A105066 A105067
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KEYWORD
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nonn,tabl
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AUTHOR
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Roger Bagula (rlbagulatftn(AT)yahoo.com), Apr 05 2005
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