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A151617 as a simple table

n a(n)
1 2
2 22
3 242
4 2662
5 7986
6 45254
7 178354
8 854502
9 3670898
10 16741318
11 73862514
12 331879526
13 1476246706
14 6603168198
15 29445050162
16 131524950502
17 586945452786
18 2620665361094
19 11697730702834
20 52222780377702
21 233120598486578
22 1040691781127878
23 4645710145608114
24 20739029883622886
25 92580871368935026
26 413291071457721798

[2,22,242,2662,7986,45254,178354,854502,3670898,
 16741318,73862514,331879526,1476246706,6603168198,
 29445050162,131524950502,586945452786,
 2620665361094,11697730702834,52222780377702,
 233120598486578,1040691781127878,4645710145608114,
 20739029883622886,92580871368935026,
 413291071457721798]

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Last modified July 30 11:46 EDT 2021. Contains 346359 sequences. (Running on oeis4.)