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A159595 as a simple table

n a(n)
0 1
1 1
2 4
3 13
4 56
5 286
6 2008
7 19749
8 280842
9 5762129
10 168873970
11 7023348917
12 412682000624
13 34188301513404
14 3992802803844526
15 656649238572375132
16 152278229304524217542
17 49749953321847000835094

[1,1,4,13,56,286,2008,19749,280842,5762129,
 168873970,7023348917,412682000624,34188301513404,
 3992802803844526,656649238572375132,
 152278229304524217542,49749953321847000835094]

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Last modified July 23 10:25 EDT 2024. Contains 374547 sequences. (Running on oeis4.)