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A053427
Catalan[n]-1 is prime.
+0
2
4, 5, 6, 8, 9, 18, 25, 66, 87, 134, 145, 200, 384, 443, 502, 589, 625, 638, 1082, 1235, 1236, 1439, 1892, 2014, 2355, 2380, 2592, 2676, 2981, 3406, 3908, 4775, 5885
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Maintained by
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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.
AT&T Labs Research
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