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A222553 as a simple table

n a(n)
1 1709
2 6372
3 24024
4 91052
5 346091
6 1318249
7 5029086
8 19207812
9 73418105
10 280780468
11 1074200514
12 4110562320
13 15731749698
14 60212701130
15 230472089415

[1709,6372,24024,91052,346091,1318249,5029086,
 19207812,73418105,280780468,1074200514,4110562320,
 15731749698,60212701130,230472089415]

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Last modified May 27 13:04 EDT 2022. Contains 354097 sequences. (Running on oeis4.)