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A318543 as a simple table

n a(n)
1 13
2 15
3 52
4 207
5 784
6 2905
7 10496
8 38721
9 144148
10 531780
11 1960675
12 7241505
13 26745797
14 98766587
15 364682042
16 1346615672
17 4972655637
18 18362061797
19 67803976370
20 250374735252
21 924538580895
22 3413971260050
23 12606503235153

[13,15,52,207,784,2905,10496,38721,144148,531780,
 1960675,7241505,26745797,98766587,364682042,
 1346615672,4972655637,18362061797,67803976370,
 250374735252,924538580895,3413971260050,
 12606503235153]

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Last modified July 6 06:40 EDT 2022. Contains 355108 sequences. (Running on oeis4.)