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Search: id:A155660
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| 1, 3, 33, 387, 4161, 42243, 413793, 3959427, 37281921, 347066883, 3204309153, 29403732867, 268588249281, 2444976817923, 22198569382113, 201143570584707, 1819787258282241, 16444551185679363, 148466221699088673
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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G.f.: 1/(1-9*x)-1/(1-7*x)+1/(1-x). E.g.f.: e^(9*x)-e^(7*x)+e^x.
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CROSSREFS
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A155638, A155639, A155640, A155641, A155642, A155643, A155644, A155645, A155646, A155647, A155648, A155649, A155650, A155651, A155652, A155653, A155654, A155655, A155656, A155657, A155658, A155659
Sequence in context: A080488 A082778 A163476 this_sequence A009502 A011922 A071405
Adjacent sequences: A155657 A155658 A155659 this_sequence A155661 A155662 A155663
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KEYWORD
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nonn
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AUTHOR
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Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 31 2009
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