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A051629
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Poincaré series [or Poincare series] for Gamma_2(1,2).
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0
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1, 0, 0, 0, 2, 0, 2, 0, 4, 0, 5, 0, 9, 0, 9, 0, 15, 0, 17, 1, 23, 1, 27, 3, 36, 3, 39, 6, 51, 7, 57, 11, 69, 13, 78, 19, 94, 21, 102, 29, 122, 33, 134, 42, 154, 48, 170, 60, 195, 66, 210, 81, 240, 90, 260, 106, 290, 118, 315, 138, 351, 150, 375, 174, 417
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OFFSET
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0,5
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (1,0,0,1,-1,1,-1,0,0,-1,1,1,-1,0,0,-1,1,-1,1,0,0,1,-1).
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MAPLE
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(1+x^6+x^8+x^10+x^19+x^21+x^23+x^29)/((1-x^4)^2*(1-x^6)*(1-x^12));
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MATHEMATICA
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Join[{1, 0, 0, 0}, LinearRecurrence[{1, 0, 0, 1, -1, 1, -1, 0, 0, -1, 1, 1, -1, 0, 0, -1, 1, -1, 1, 0, 0, 1, -1}, {2, 0, 2, 0, 4, 0, 5, 0, 9, 0, 9, 0, 15, 0, 17, 1, 23, 1, 27, 3, 36, 3, 39}, 61]] (* Jean-François Alcover, Jul 31 2019 *)
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CROSSREFS
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KEYWORD
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nonn,nice,easy
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AUTHOR
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STATUS
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approved
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