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A045695 as a simple table

n a(n)
1 0
2 1
3 2
4 8
5 22
6 70
7 202
8 622
9 1844
10 5576
11 16658
12 50114
13 150140
14 450824
15 1351850
16 4056794
17 12168538
18 36509302
19 109522330
20 328578142
21 985717768
22 2957186620
23 8871509746
24 26614629466
25 79843738258
26 239531515054
27 718594094338

[0,1,2,8,22,70,202,622,1844,5576,16658,50114,
 150140,450824,1351850,4056794,12168538,36509302,
 109522330,328578142,985717768,2957186620,
 8871509746,26614629466,79843738258,239531515054,
 718594094338]

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Last modified January 26 19:15 EST 2022. Contains 350599 sequences. (Running on oeis4.)