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A299685 as a simple table

n a(n)
1 5
2 16
3 54
4 648
5 2850
6 20882
7 159324
8 1041908
9 7459468
10 53904306
11 375940431
12 2678988639
13 19089395160
14 135035259385
15 959911426013
16 6820922367039
17 48396544732963
18 343770481230580
19 2441462845433685
20 17334264880163647

[5,16,54,648,2850,20882,159324,1041908,7459468,
 53904306,375940431,2678988639,19089395160,
 135035259385,959911426013,6820922367039,
 48396544732963,343770481230580,2441462845433685,
 17334264880163647]

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Last modified December 4 00:33 EST 2020. Contains 338920 sequences. (Running on oeis4.)