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A050478
C(n)*(8n+1) where C(n)=Catalan numbers (
A000108
).
+0
1
1, 9, 34, 125, 462, 1722, 6468, 24453, 92950, 354926, 1360476, 5231954, 20177164, 78004500, 302211720, 1173076245, 4561139430, 17761336230, 69257611500, 270391268070, 1056823387620
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Maintained by
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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.
AT&T Labs Research
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