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A084376
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G.f.: (1+x)/Product_{m>0} (1 - x^m).
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4
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1, 2, 3, 5, 8, 12, 18, 26, 37, 52, 72, 98, 133, 178, 236, 311, 407, 528, 682, 875, 1117, 1419, 1794, 2257, 2830, 3533, 4394, 5446, 6728, 8283, 10169, 12446, 15191, 18492, 22453, 27193, 32860, 39614, 47652, 57200, 68523, 81921, 97757, 116435, 138436
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) ~ exp(sqrt(2*n/3)*Pi)/(2*sqrt(3)*n) * (1 - (sqrt(3/2)/Pi + 13*Pi/(24*sqrt(6)))/sqrt(n) + (13/16 + 313*Pi^2/6912)/n). - Vaclav Kotesovec, Nov 04 2016
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MAPLE
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MATHEMATICA
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Table[PartitionsP[n] + PartitionsP[n - 1], {n, 0, 44}] (* Robert Price, May 18 2020 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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