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A208722 as a simple table

n a(n)
1 0
2 1
3 4
4 15
5 52
6 210
7 796
8 3175
9 12468
10 49288
11 194140
12 766110
13 3019224
14 11905330
15 46938192
16 185111095
17 730148332
18 2880799554
19 11369141308
20 44881708072
21 177229210656
22 700047776214
23 2765947680124
24 10931565973950
25 43215517211240
26 170888480306500

[0,1,4,15,52,210,796,3175,12468,49288,194140,
 766110,3019224,11905330,46938192,185111095,
 730148332,2880799554,11369141308,44881708072,
 177229210656,700047776214,2765947680124,
 10931565973950,43215517211240,170888480306500]

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Last modified September 8 22:12 EDT 2024. Contains 375759 sequences. (Running on oeis4.)