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A115275
Number of partitions of {1,...,n} into blocks such that no block size is repeated more than 3 times.
+0
3
1, 1, 2, 5, 14, 51, 187, 820, 3670, 18191, 97917, 554500, 3334465, 20871592, 138440031, 972083845, 6985171390, 52194795327, 412903730293, 3313067916192, 28017395030419, 241504438776956, 2189375704925081, 19771679215526507
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.
AT&T Labs Research
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