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A001455 as a simple table

n a(n)
4 1
5 16
6 181
7 1821
8 17557
9 167449
10 1604098
11 15555398
12 153315999
13 1538907306
14 15743413076
15 164161815768
16 1744049683213
17 18865209953045
18 207591285198178
19 2321616416280982
20 26362085777156567
21 303635722412859447
22 3544040394934246209
23 41881891423602685193

[1,16,181,1821,17557,167449,1604098,15555398,
 153315999,1538907306,15743413076,164161815768,
 1744049683213,18865209953045,207591285198178,
 2321616416280982,26362085777156567,
 303635722412859447,3544040394934246209,
 41881891423602685193]

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Last modified June 1 08:45 EDT 2024. Contains 373015 sequences. (Running on oeis4.)