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A159309 as a simple table

n a(n)
1 1
2 3
3 10
4 35
5 116
6 606
7 2990
8 11203
9 65368
10 567558
11 3229942
12 12730946
13 78628616
14 666394746
15 3968286590
16 21143707843
17 160244432497
18 1602468019110
19 20852615681805
20 320475672814590
21 4102188681702086
22 36438823274699332

[1,3,10,35,116,606,2990,11203,65368,567558,
 3229942,12730946,78628616,666394746,3968286590,
 21143707843,160244432497,1602468019110,
 20852615681805,320475672814590,4102188681702086,
 36438823274699332]

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Last modified May 28 18:24 EDT 2022. Contains 354122 sequences. (Running on oeis4.)