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A180289 as a simple table

n a(n)
9 9
10 90
11 605
12 3432
13 17745
14 86632
15 406980
16 1860480
17 8335338
18 36773397
19 160286166
20 691906090
21 2963163525
22 12606797973
23 53339223410
24 224614532520
25 942028278750
26 3936923432325
27 16402410574875
28 68151368796840
29 282481941399420
30 1168338215983320
31 4822856224887175

[9,90,605,3432,17745,86632,406980,1860480,8335338,
 36773397,160286166,691906090,2963163525,
 12606797973,53339223410,224614532520,942028278750,
 3936923432325,16402410574875,68151368796840,
 282481941399420,1168338215983320,4822856224887175]

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Last modified April 19 14:50 EDT 2024. Contains 371792 sequences. (Running on oeis4.)