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A282221 as a simple table

n a(n)
0 1
1 3
2 1
3 3
4 5
5 15
6 9
7 123
8 413
9 143
10 457
11 763
12 1821
13 2831
14 7881
15 15355
16 32285
17 40335
18 81865
19 157179
20 314909
21 524303
22 1443785
23 3713275
24 4453149
25 11900559
26 33321929
27 39611899
28 116977181
29 252768271
30 57748425
31 1609301243
32 7851626269
33 3775173263
34 11715297225

[1,3,1,3,5,15,9,123,413,143,457,763,1821,2831,
 7881,15355,32285,40335,81865,157179,314909,524303,
 1443785,3713275,4453149,11900559,33321929,
 39611899,116977181,252768271,57748425,1609301243,
 7851626269,3775173263,11715297225]

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Last modified August 8 02:45 EDT 2020. Contains 336290 sequences. (Running on oeis4.)