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A041399 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 8
5 27
6 35
7 167
8 1538
9 1705
10 3243
11 17920
12 57003
13 815962
14 2504889
15 13340407
16 15845296
17 29185703
18 278516623
19 1143252195
20 1421768818
21 5408558649
22 12238886116
23 17647444765
24 29886330881
25 47533775646
26 1360832048969
27 1408365824615
28 2769197873584

[1,1,2,3,8,27,35,167,1538,1705,3243,17920,57003,
 815962,2504889,13340407,15845296,29185703,
 278516623,1143252195,1421768818,5408558649,
 12238886116,17647444765,29886330881,47533775646,
 1360832048969,1408365824615,2769197873584]

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Last modified July 25 13:59 EDT 2021. Contains 346290 sequences. (Running on oeis4.)