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A024499
a(n) = [ C(2n,n)/(n-1) ].
0
6, 10, 23, 63, 184, 572, 1838, 6077, 20528, 70543, 245832, 866716, 3085892, 11079822, 40072026, 145850388, 533831488, 1963625766, 7255080464, 26912893722, 100195188748, 374246851254, 1402069725352, 5267108601573, 19836741317924
OFFSET
2,1
CROSSREFS
Sequence in context: A212161 A132994 A199885 * A143236 A107306 A108899
KEYWORD
nonn
STATUS
approved