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A245751 as a simple table

n a(n)
20 3
21 15
22 70
23 256
24 884
25 2840
26 8788
27 26238
28 76511
29 218462
30 614003
31 1702291
32 4667792
33 12678438
34 34163511
35 91424125
36 243210889
37 643652954
38 1695711086
39 4449529462
40 11634279616
41 30324707572
42 78819222196
43 204348623105
44 528597552113
45 1364545143938
46 3515960193715

[3,15,70,256,884,2840,8788,26238,76511,218462,
 614003,1702291,4667792,12678438,34163511,91424125,
 243210889,643652954,1695711086,4449529462,
 11634279616,30324707572,78819222196,204348623105,
 528597552113,1364545143938,3515960193715]

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Last modified July 5 00:01 EDT 2020. Contains 335457 sequences. (Running on oeis4.)