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A200529 as a simple table

n a(n)
1 11
2 57
3 243
4 905
5 3135
6 10292
7 32556
8 100065
9 300847
10 888587
11 2586994
12 7441963
13 21193523
14 59838942
15 167704775
16 466986683
17 1293018711
18 3562315723
19 9770764284
20 26693067952
21 72663897633
22 197170483178
23 533459459628
24 1439508706370

[11,57,243,905,3135,10292,32556,100065,300847,
 888587,2586994,7441963,21193523,59838942,
 167704775,466986683,1293018711,3562315723,
 9770764284,26693067952,72663897633,197170483178,
 533459459628,1439508706370]

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Last modified June 9 16:35 EDT 2024. Contains 373248 sequences. (Running on oeis4.)