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A006790 as a simple table

n a(n)
0 1
1 2
2 5
3 15
4 53
5 211
6 938
7 4582
8 24349
9 139671
10 858745
11 5628789
12 39145021
13 287667582
14 2226033629
15 18082308403
16 153770703339
17 1365631349757
18 12638233544989
19 121640399661294
20 1215438543434225
21 12587691428792115

[1,2,5,15,53,211,938,4582,24349,139671,858745,
 5628789,39145021,287667582,2226033629,18082308403,
 153770703339,1365631349757,12638233544989,
 121640399661294,1215438543434225,
 12587691428792115]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)