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A133107 as a simple table

n a(n)
6 1
7 7
8 32
9 121
10 410
11 1294
12 3888
13 11273
14 31826
15 88041
16 239734
17 644758
18 1717191
19 4538129
20 11919760
21 31156313
22 81125827
23 210604604
24 545462798
25 1410226551
26 3641097828
27 9391872711
28 24208902420
29 62373915102
30 160663604377

[1,7,32,121,410,1294,3888,11273,31826,88041,
 239734,644758,1717191,4538129,11919760,31156313,
 81125827,210604604,545462798,1410226551,
 3641097828,9391872711,24208902420,62373915102,
 160663604377]

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Last modified September 20 00:58 EDT 2021. Contains 347577 sequences. (Running on oeis4.)