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A321850 as a simple table

n a(n)
0 1
1 1
2 15
3 337
4 10081
5 376461
6 16849351
7 878797165
8 52324954977
9 3501300491641
10 260062721279551
11 21228108532279881
12 1888618754806601665
13 181873163575529411077
14 18846187172580219099831
15 2090754000231731874682021
16 247221828043044971020645441 

[1,1,15,337,10081,376461,16849351,878797165,
 52324954977,3501300491641,260062721279551,
 21228108532279881,1888618754806601665,
 181873163575529411077,18846187172580219099831,
 2090754000231731874682021,
 247221828043044971020645441]

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Last modified September 19 20:04 EDT 2024. Contains 376014 sequences. (Running on oeis4.)