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A290248 as a simple table

n a(n)
1 1
2 2
3 3
4 6
5 13
6 39
7 147
8 755
9 5230
10 50282
11 677730
12 13010007
13 359551127
14 14457741910
15 853120090801
16 74437567936635
17 9666377127590346
18 1878877762201043122
19 549363336929733878734
20 242695457366120511255070
21 16263199149257162654631846

[1,2,3,6,13,39,147,755,5230,50282,677730,13010007,
 359551127,14457741910,853120090801,74437567936635,
 9666377127590346,1878877762201043122,
 549363336929733878734,242695457366120511255070,
 16263199149257162654631846]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)