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Search: id:A155868
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| A155868 |
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A sequence of polynomial coefficients related to the first Stirling numbers: p(x,n)=If[n == 0, 1, 1 + x^n + Sum[(-1)^(n - 2*m)* StirlingS1[n, m]*StirlingS1[n, n - m]*x^m, {m, 0, n}]]. |
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| 1, 1, 1, 1, 1, 1, 1, 6, 6, 1, 1, 36, 121, 36, 1, 1, 240, 1750, 1750, 240, 1, 1, 1800, 23290, 50625, 23290, 1800, 1, 1, 15120, 308700, 1193640, 1193640, 308700, 15120, 1, 1, 141120, 4207896, 25738720, 45819361, 25738720, 4207896, 141120, 1, 1, 1451520
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