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A272499 as a simple table

n a(n)
9 1
10 10
11 165
12 2200
13 33605
14 492492
15 8018010
16 131342640
17 2321677930
18 42349478600
19 820275716546
20 16515429370440
21 350240612952230
22 7731410818511380
23 178693701272340540
24 4296129057927296304
25 107666415418378051950
26 2801776425029317564400
27 75741144900761549630850

[1,10,165,2200,33605,492492,8018010,131342640,
 2321677930,42349478600,820275716546,
 16515429370440,350240612952230,7731410818511380,
 178693701272340540,4296129057927296304,
 107666415418378051950,2801776425029317564400,
 75741144900761549630850]

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Last modified April 25 12:15 EDT 2024. Contains 371969 sequences. (Running on oeis4.)