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A200762 as a simple table

n a(n)
1 7
2 28
3 106
4 388
5 1387
6 4874
7 16919
8 58198
9 198807
10 675372
11 2283994
12 7695280
13 25845198
14 86568033
15 289279804
16 964690182
17 3211220933
18 10672137362
19 35416362298
20 117378654202
21 388561273645
22 1284874248757
23 4244554964082

[7,28,106,388,1387,4874,16919,58198,198807,675372,
 2283994,7695280,25845198,86568033,289279804,
 964690182,3211220933,10672137362,35416362298,
 117378654202,388561273645,1284874248757,
 4244554964082]

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Last modified June 25 12:55 EDT 2022. Contains 354851 sequences. (Running on oeis4.)