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Search: id:A069321
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| A069321 |
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Stirling transform of A001563 : a(0)=1, a(n)=sum(stirling2(n,k)*k*k!,k=1..n), n=1,2... |
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+0 8
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| 1, 1, 5, 31, 233, 2071, 21305, 249271, 3270713, 47580151, 760192505, 13234467511, 249383390393, 5057242311031, 109820924003705, 2542685745501751, 62527556173577273, 1627581948113854711, 44708026328035782905
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