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A019050 as a simple table

n a(n)
2 3
3 6
4 20
5 132
6 938
7 5733
8 34331
9 217843
10 1415657
11 9240592
12 61276873
13 413691585
14 2827480062
15 19490660020
16 135319158941 

[3,6,20,132,938,5733,34331,217843,1415657,9240592,
 61276873,413691585,2827480062,19490660020,
 135319158941]

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Last modified September 15 18:36 EDT 2024. Contains 375954 sequences. (Running on oeis4.)