11 lines
424 B
Plaintext
11 lines
424 B
Plaintext
s[m_, p_, n_] :=
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CycleIndexPolynomial[SymmetricGroup[m],
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Table[ComposeSeries[p, x^i + O[x]^(n + 1)], {i, m}]];
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G000598[n_] := Nest[1 + x s[3, #, n] &, 1 + O[x], n];
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G000602[n_] :=
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x s[4, #, n] - s[2, # - 1, n] +
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ComposeSeries[#, x^2 + O[x]^(n + 1)] &[G000598[n]];
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A000602[n_] := SeriesCoefficient[G000602[n], n];
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A000602List[n_] := CoefficientList[G000602[n], x];
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Grid@Transpose@{Range[0, 200], A000602List@200}
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