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A165538 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 22
5 88
6 367
7 1568
8 6810
9 29943
10 132958
11 595227
12 2683373
13 12170778
14 55499358
15 254297805
16 1170248190
17 5406570910
18 25068420955
19 116617923611
20 544157590706
21 2546278167018
22 11945937322413
23 56180864428301
24 264812677643417
25 1250853429148333
26 5920145717412047

[1,1,2,6,22,88,367,1568,6810,29943,132958,595227,
 2683373,12170778,55499358,254297805,1170248190,
 5406570910,25068420955,116617923611,544157590706,
 2546278167018,11945937322413,56180864428301,
 264812677643417,1250853429148333,5920145717412047]

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Last modified July 12 02:32 EDT 2024. Contains 374237 sequences. (Running on oeis4.)