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A298058 as a simple table

n a(n)
1 0
2 3
3 0
4 2
5 6
6 13
7 22
8 68
9 132
10 323
11 790
12 1724
13 4158
14 10007
15 22770
16 54346
17 129582
18 301431
19 715256
20 1697866
21 3987490
22 9441255
23 22363356
24 52732570
25 124755460
26 295222595
27 697290424
28 1649165304
29 3900971604
30 9220090253
31 21804026010

[0,3,0,2,6,13,22,68,132,323,790,1724,4158,10007,
 22770,54346,129582,301431,715256,1697866,3987490,
 9441255,22363356,52732570,124755460,295222595,
 697290424,1649165304,3900971604,9220090253,
 21804026010]

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Last modified January 18 06:47 EST 2022. Contains 350452 sequences. (Running on oeis4.)