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A301278 as a simple table

n a(n)
0 0
1 0
2 1
3 4
4 47
5 244
6 1186
7 1384
8 25147
9 112028
10 98374
11 1067720
12 1531401
13 39249768
14 166656772
15 88008656
16 2961699667
17 12412521388
18 51854046982
19 108006842264
20 448816369361
21 3721813363288
22 15401045060572
23 15904199160592
24 131178778841711
25 1080387930269464
26 4443100381114156
27 9124976352166288

[0,0,1,4,47,244,1186,1384,25147,112028,98374,
 1067720,1531401,39249768,166656772,88008656,
 2961699667,12412521388,51854046982,108006842264,
 448816369361,3721813363288,15401045060572,
 15904199160592,131178778841711,1080387930269464,
 4443100381114156,9124976352166288]

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Last modified May 3 06:05 EDT 2024. Contains 372205 sequences. (Running on oeis4.)