A061801 - OEIS

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A061801 as a simple table

n	a(n)
0	1
1	8
2	50
3	302
4	1814
5	10886
6	65318
7	391910
8	2351462
9	14108774
10	84652646
11	507915878
12	3047495270
13	18284971622
14	109709829734
15	658258978406
16	3949553870438
17	23697323222630
18	142183939335782
19	853103636014694

[1,8,50,302,1814,10886,65318,391910,2351462, 14108774,84652646,507915878,3047495270, 18284971622,109709829734,658258978406, 3949553870438,23697323222630,142183939335782, 853103636014694]

[1,8,50,302,1814,10886,65318,391910,2351462,
 14108774,84652646,507915878,3047495270,
 18284971622,109709829734,658258978406,
 3949553870438,23697323222630,142183939335782,
 853103636014694]