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A000582 formatted as a simple table:

n a(n)
9 1
10 10
11 55
12 220
13 715
14 2002
15 5005
16 11440
17 24310
18 48620
19 92378
20 167960
21 293930
22 497420
23 817190
24 1307504
25 2042975
26 3124550
27 4686825
28 6906900
29 10015005
30 14307150
31 20160075
32 28048800
33 38567100
34 52451256
35 70607460
36 94143280

[1,10,55,220,715,2002,5005,11440,24310,48620,
 92378,167960,293930,497420,817190,1307504,2042975,
 3124550,4686825,6906900,10015005,14307150,
 20160075,28048800,38567100,52451256,70607460,
 94143280]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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