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A062106 as a simple table

n a(n)
1 0
2 1
3 2
4 6
5 15
6 40
7 109
8 302
9 846
10 2390
11 6796
12 19426
13 55767
14 160668
15 464305
16 1345282
17 3906701
18 11367696
19 33135987
20 96740610
21 282831981
22 827939880
23 2426431239
24 7118546874
25 20904025380
26 61439768166
27 180725813478
28 532004277518

[0,1,2,6,15,40,109,302,846,2390,6796,19426,55767,
 160668,464305,1345282,3906701,11367696,33135987,
 96740610,282831981,827939880,2426431239,
 7118546874,20904025380,61439768166,180725813478,
 532004277518]

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Last modified April 24 15:52 EDT 2024. Contains 371961 sequences. (Running on oeis4.)