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-40, -39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29, -28, -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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LINKS
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FORMULA
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a(n) = 2 a(n-1) - a(n-2). a(n) = -A022996(n). G.f.: (-40 + 41*x)/(1 - x)^2. - M. F. Hasler, Apr 18 2015
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MATHEMATICA
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PROG
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CROSSREFS
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Cf. A256958, A001057, A000027, A001477, A000027, A023443, ..., A023481, A022958, ..., A022996, A256958.
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KEYWORD
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sign,easy
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AUTHOR
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STATUS
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approved
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