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A071800 as a simple table

n a(n)
1 54
2 26550
3 14330736
4 8264889270
5 4978317147804
6 3090501687886704
7 1961313438507566400
8 1265749551338006549430
9 827693426702217868006500
10 547017649101008848332870300
11 364691794467483796757326646400
12 244920478151771001164678945670000 

[54,26550,14330736,8264889270,4978317147804,
 3090501687886704,1961313438507566400,
 1265749551338006549430,827693426702217868006500,
 547017649101008848332870300,
 364691794467483796757326646400,
 244920478151771001164678945670000]

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Last modified June 7 03:39 EDT 2024. Contains 373140 sequences. (Running on oeis4.)