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A263219 as a simple table

n a(n)
1 4
2 72
3 1009
4 12601
5 198892
6 3345984
7 56362801
8 951167305
9 16140651460
10 274301213400
11 4662032059249
12 79241699410777
13 1347050532750556
14 22899642182348976
15 389291621638482865
16 6617932860469046761

[4,72,1009,12601,198892,3345984,56362801,
 951167305,16140651460,274301213400,4662032059249,
 79241699410777,1347050532750556,22899642182348976,
 389291621638482865,6617932860469046761]

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Last modified October 1 14:19 EDT 2022. Contains 357149 sequences. (Running on oeis4.)