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A227619 as a simple table

n a(n)
0 1
1 1
2 4
3 63
4 1278
5 29764
6 758065
7 20611793
8 590579518
9 17707907024
10 553879330720
11 18066513887790
12 615744470668778
13 22014659625607877
14 830262409494773896
15 33243718957578687811
16 1422095813097928147636
17 65311403344808947050730
18 3227884786251446164710376 

[1,1,4,63,1278,29764,758065,20611793,590579518,
 17707907024,553879330720,18066513887790,
 615744470668778,22014659625607877,
 830262409494773896,33243718957578687811,
 1422095813097928147636,65311403344808947050730,
 3227884786251446164710376]

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Last modified May 28 18:29 EDT 2024. Contains 372919 sequences. (Running on oeis4.)