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A228883 as a simple table

n a(n)
1 1
2 1
3 4
4 22
5 150
6 1173
7 10148
8 94925
9 945972
10 9941558
11 109382042
12 1253180343
13 14889508598
14 182880186850
15 2316222358948
16 30188514546787
17 404233232273788
18 5553341502305868
19 78182001588059148
20 1126836634877469526
21 16612944202665079800
22 250345193073480290120

[1,1,4,22,150,1173,10148,94925,945972,9941558,
 109382042,1253180343,14889508598,182880186850,
 2316222358948,30188514546787,404233232273788,
 5553341502305868,78182001588059148,
 1126836634877469526,16612944202665079800,
 250345193073480290120]

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Last modified May 10 07:01 EDT 2024. Contains 372358 sequences. (Running on oeis4.)