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A073829
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a(n) = 4*((n-1)! + 1) + n.
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3
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9, 10, 15, 32, 105, 490, 2891, 20172, 161293, 1451534, 14515215, 159667216, 1916006417, 24908083218, 348713164819, 5230697472020, 83691159552021, 1422749712384022, 25609494822912023, 486580401635328024, 9731608032706560025, 204363768686837760026
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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