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A154749 as a simple table

n a(n)
-2 0
-1 1
0 0
1 1
2 1
3 2
4 9
5 56
6 65
7 186
8 437
9 1060
10 1497
11 2557
12 16839
13 19396
14 3488723
15 160500654
16 163989377
17 324490031
18 1137459470
19 2599408971
20 3736868441
21 6336277412
22 22745700677
23 142810481474
24 451177145099
25 593987626573

[0,1,0,1,1,2,9,56,65,186,437,1060,1497,2557,16839,
 19396,3488723,160500654,163989377,324490031,
 1137459470,2599408971,3736868441,6336277412,
 22745700677,142810481474,451177145099,
 593987626573]

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Last modified April 23 11:13 EDT 2024. Contains 371905 sequences. (Running on oeis4.)