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A199560 as a simple table

n a(n)
0 2
1 14
2 122
3 1094
4 9842
5 88574
6 797162
7 7174454
8 64570082
9 581130734
10 5230176602
11 47071589414
12 423644304722
13 3812798742494
14 34315188682442
15 308836698141974
16 2779530283277762
17 25015772549499854
18 225141952945498682

[2,14,122,1094,9842,88574,797162,7174454,64570082,
 581130734,5230176602,47071589414,423644304722,
 3812798742494,34315188682442,308836698141974,
 2779530283277762,25015772549499854,
 225141952945498682]

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Last modified October 1 09:13 EDT 2022. Contains 357140 sequences. (Running on oeis4.)