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A200665 as a simple table

n a(n)
1 6
2 21
3 75
4 267
5 938
6 3283
7 11516
8 40399
9 141745
10 497298
11 1744684
12 6121152
13 21475315
14 75342932
15 264330011
16 927363850
17 3253519870
18 11414498822
19 40046099291
20 140495874086
21 492909198404
22 1729299730308
23 6066994825927
24 21285162746386

[6,21,75,267,938,3283,11516,40399,141745,497298,
 1744684,6121152,21475315,75342932,264330011,
 927363850,3253519870,11414498822,40046099291,
 140495874086,492909198404,1729299730308,
 6066994825927,21285162746386]

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Last modified January 22 19:45 EST 2022. Contains 350504 sequences. (Running on oeis4.)