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A190991
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a(n) = 13*n + 1.
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10
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1, 14, 27, 40, 53, 66, 79, 92, 105, 118, 131, 144, 157, 170, 183, 196, 209, 222, 235, 248, 261, 274, 287, 300, 313, 326, 339, 352, 365, 378, 391, 404, 417, 430, 443, 456, 469, 482, 495, 508, 521, 534, 547, 560, 573, 586, 599, 612, 625, 638, 651, 664, 677
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OFFSET
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0,2
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COMMENTS
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LINKS
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FORMULA
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G.f.: (1 + 12*x)/(1 - x)^2. (End)
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MATHEMATICA
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Range[1, 1000, 13]
LinearRecurrence[{2, -1}, {1, 14}, 60] (* Harvey P. Dale, Apr 05 2014 *)
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PROG
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(SageMath) [13*n+1 for n in (0..60)] # G. C. Greubel, Sep 16 2022
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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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