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A208687 as a simple table

n a(n)
1 42
2 1764
3 7086
4 40581
5 269766
6 1346961
7 6398617
8 31733422
9 152209092
10 711191700
11 3333256899
12 15574230936
13 72263776797
14 334784881455
15 1550207903794
16 7167239737000
17 33109416636066
18 152910959100921
19 705957016908150

[42,1764,7086,40581,269766,1346961,6398617,
 31733422,152209092,711191700,3333256899,
 15574230936,72263776797,334784881455,
 1550207903794,7167239737000,33109416636066,
 152910959100921,705957016908150]

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Last modified August 26 16:22 EDT 2024. Contains 375459 sequences. (Running on oeis4.)