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A054344 as a simple table

n a(n)
2 9
3 1064
4 21656
5 197484
6 1143366
7 4927524
8 17240292
9 51631617
10 137044523
11 330284988
12 735542444
13 1533609350
14 3024043008
15 5684167992
16 10249533240
17 17821214019
18 30006185613
19 49097892704
20 78305096016

[9,1064,21656,197484,1143366,4927524,17240292,
 51631617,137044523,330284988,735542444,1533609350,
 3024043008,5684167992,10249533240,17821214019,
 30006185613,49097892704,78305096016]

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Last modified October 18 03:16 EDT 2019. Contains 328135 sequences. (Running on oeis4.)