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A225964 as a simple table

n a(n)
7 1
8 9
9 63
10 419
11 2868
12 20932
13 165662
14 1432746
15 13578086
16 140951642
17 1598792812
18 19739303596
19 264041415799
20 3807692229035
21 58907522237037
22 973166134330293
23 17094936849558000
24 318092941562300736
25 6248389843759774380
26 129180041710223480596
27 2803277432655658573548

[1,9,63,419,2868,20932,165662,1432746,13578086,
 140951642,1598792812,19739303596,264041415799,
 3807692229035,58907522237037,973166134330293,
 17094936849558000,318092941562300736,
 6248389843759774380,129180041710223480596,
 2803277432655658573548]

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Last modified March 28 13:35 EDT 2024. Contains 371254 sequences. (Running on oeis4.)