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A220316 as a simple table

n a(n)
1 1
2 5
3 24
4 89
5 389
6 1566
7 6401
8 25704
9 103047
10 411453
11 1640962
12 6538036
13 26037222
14 103664093
15 412658625
16 1642555969
17 6537717638
18 26020883563
19 103564418265
20 412188609650
21 1640510914951
22 6529219819790
23 25986198727161
24 103424615577923

[1,5,24,89,389,1566,6401,25704,103047,411453,
 1640962,6538036,26037222,103664093,412658625,
 1642555969,6537717638,26020883563,103564418265,
 412188609650,1640510914951,6529219819790,
 25986198727161,103424615577923]

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Last modified June 16 16:46 EDT 2024. Contains 373432 sequences. (Running on oeis4.)