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A090319 as a simple table

n a(n)
0 1
1 4
2 14
3 52
4 217
5 1040
6 5768
7 36992
8 272584
9 2285184
10 21550656
11 226071744
12 2611146384
13 32911082496
14 449243785728
15 6598780563456
16 103734755882496
17 1737181702840320
18 30866291090657280
19 579859321408266240

[1,4,14,52,217,1040,5768,36992,272584,2285184,
 21550656,226071744,2611146384,32911082496,
 449243785728,6598780563456,103734755882496,
 1737181702840320,30866291090657280,
 579859321408266240]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)