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A200664 as a simple table

n a(n)
1 5
2 15
3 45
4 135
5 406
6 1217
7 3650
8 10959
9 32941
10 99044
11 297812
12 895494
13 2692703
14 8096855
15 24346869
16 73209872
17 220138513
18 661945308
19 1990435887
20 5985139586
21 17997009753
22 54116091662
23 162724331983
24 489303778636
25 1471311543936

[5,15,45,135,406,1217,3650,10959,32941,99044,
 297812,895494,2692703,8096855,24346869,73209872,
 220138513,661945308,1990435887,5985139586,
 17997009753,54116091662,162724331983,489303778636,
 1471311543936]

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Last modified December 7 17:04 EST 2021. Contains 349581 sequences. (Running on oeis4.)