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A050148 as a simple table

n a(n)
2 1
3 7
4 32
5 160
6 832
7 4424
8 23872
9 130176
10 715520
11 3957448
12 21998176
13 122786976
14 687736896
15 3863423880
16 21758302848
17 122811081216
18 694533774336
19 3934558067336
20 22323615621280
21 126832567223712
22 721500116473664

[1,7,32,160,832,4424,23872,130176,715520,3957448,
 21998176,122786976,687736896,3863423880,
 21758302848,122811081216,694533774336,
 3934558067336,22323615621280,126832567223712,
 721500116473664]

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Last modified September 17 03:42 EDT 2021. Contains 347478 sequences. (Running on oeis4.)