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Search: id:A136790
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| 1, -1, 2, 4, -7, 5, -7, 32, -35, 15, 37, -131, 228, -171, 52, -94, 646, -1379, 1540, -864, 203, 587, -3146, 8648, -12483, 10308, -4588, 877, -1955, 17464, -55125, 98923, -106834, 69951, -25717, 4140, 13606, -98053, 367914, -781241, 1044519, -898394, 486811, -152169, 21147
(list; table; graph; listen)
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OFFSET
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0,3
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COMMENT
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Row sums = the Bell numbers, A000110: (1, 1, 2, 5, 15, 203,...). A136789 = A007318^(-1) * A011971.
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FORMULA
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Product of the Aitken triangle (A011971) and the inverse of Pascal's Triangle (A007318).
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EXAMPLE
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First few rows of the triangle are:
1;
-1, 2;
4, -7, 5;
-7, 32, -35, 15;
37, -131, 228, -171, 52;
-94, 646, -1379, 1540, -864, 203;
...
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CROSSREFS
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Cf. A000110, A136789.
Adjacent sequences: A136787 A136788 A136789 this_sequence A136791 A136792 A136793
Sequence in context: A019966 A021408 A011178 this_sequence A073158 A035311 A129980
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KEYWORD
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tabl,sign
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 21 2008
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