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A027784 as a simple table

n a(n)
9 55
10 726
11 5148
12 26026
13 105105
14 360360
15 1089088
16 2975544
17 7482618
18 17551820
19 38798760
20 81477396
21 163601438
22 315762216
23 588376800
24 1062347000
25 1864418985
26 3188915730
27 5327982660
28 8713054350
29 13970931975
30 21998673840
31 34062462720
32 51926743440
33 78021243300

[55,726,5148,26026,105105,360360,1089088,2975544,
 7482618,17551820,38798760,81477396,163601438,
 315762216,588376800,1062347000,1864418985,
 3188915730,5327982660,8713054350,13970931975,
 21998673840,34062462720,51926743440,78021243300]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)