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A138562 as a simple table

n a(n)
0 1
1 4
2 38
3 616
4 14744
5 479364
6 20021768
7 1031673164
8 63597989864
9 4579513525216
10 377953469391584
11 35211153592004064
12 3657198048669038384
13 419166387797337858500
14 52561549979435515611488
15 7158828855330149502246076
16 1052478318277669232896492064
17 166132533639153074372662711680

[1,4,38,616,14744,479364,20021768,1031673164,
 63597989864,4579513525216,377953469391584,
 35211153592004064,3657198048669038384,
 419166387797337858500,52561549979435515611488,
 7158828855330149502246076,
 1052478318277669232896492064,
 166132533639153074372662711680]

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Last modified September 12 21:40 EDT 2024. Contains 375855 sequences. (Running on oeis4.)