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A001700 as a simple table

n a(n)
0 1
1 3
2 10
3 35
4 126
5 462
6 1716
7 6435
8 24310
9 92378
10 352716
11 1352078
12 5200300
13 20058300
14 77558760
15 300540195
16 1166803110
17 4537567650
18 17672631900
19 68923264410
20 269128937220
21 1052049481860
22 4116715363800
23 16123801841550

[1,3,10,35,126,462,1716,6435,24310,92378,352716,
 1352078,5200300,20058300,77558760,300540195,
 1166803110,4537567650,17672631900,68923264410,
 269128937220,1052049481860,4116715363800,
 16123801841550]

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Last modified May 19 16:31 EDT 2013. Contains 225433 sequences.