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A327587 as a simple table

n a(n)
1 1
2 1
3 7
4 29
5 121
6 649
7 5041
8 42909
9 364561
10 3515651
11 39916801
12 486821873
13 6227020801
14 86497214231
15 1307843292757
16 21004582611869
17 355687428096001
18 6390006277567483
19 121645100408832001
20 2435277595236694779
21 51091124681475552961
22 1123451899297248225431

[1,1,7,29,121,649,5041,42909,364561,3515651,
 39916801,486821873,6227020801,86497214231,
 1307843292757,21004582611869,355687428096001,
 6390006277567483,121645100408832001,
 2435277595236694779,51091124681475552961,
 1123451899297248225431]

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Last modified January 23 14:34 EST 2022. Contains 350512 sequences. (Running on oeis4.)