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A087650
Sum_{k=0..n} (-1)^(n-k)*Bell(k).
+0
3
1, 0, 2, 3, 12, 40, 163, 714, 3426, 17721, 98254, 580316, 3633281, 24011156, 166888166, 1216070379, 9264071768, 73600798036, 608476008123, 5224266196934, 46499892038438, 428369924118313, 4078345814329010, 40073660040755336
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Maintained by
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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