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A298935 as a simple table

n a(n)
0 1
1 1
2 0
3 0
4 1
5 5
6 8
7 40
8 96
9 297
10 1269
11 3456
12 12839
13 46691
14 153111
15 577167
16 2054576
17 7602937
18 29000337
19 110645967
20 418889453
21 1580667760
22 6058528796
23 23121913246
24 89793473393
25 350029321425
26 1359919742613
27 5340642744919
28 20948242218543
29 82505892314268

[1,1,0,0,1,5,8,40,96,297,1269,3456,12839,46691,
 153111,577167,2054576,7602937,29000337,110645967,
 418889453,1580667760,6058528796,23121913246,
 89793473393,350029321425,1359919742613,
 5340642744919,20948242218543,82505892314268]

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Last modified April 5 05:06 EDT 2020. Contains 333238 sequences. (Running on oeis4.)