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A216247 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 15
5 77
6 354
7 2509
8 19369
9 146840
10 1321773
11 13466872
12 151177886
13 1827144180
14 23686530621
15 335038346222
16 4922031402993
17 75768551557262
18 1240672912146220
19 21264349760865217
20 384135346377854363
21 7286741020161077248
22 145190876484745421540

[1,1,1,2,15,77,354,2509,19369,146840,1321773,
 13466872,151177886,1827144180,23686530621,
 335038346222,4922031402993,75768551557262,
 1240672912146220,21264349760865217,
 384135346377854363,7286741020161077248,
 145190876484745421540]

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Last modified April 28 05:00 EDT 2024. Contains 372020 sequences. (Running on oeis4.)