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A304053 as a simple table

n a(n)
1 1
2 11
3 6
4 18
5 32
6 60
7 124
8 288
9 598
10 1266
11 2910
12 6362
13 13924
14 31578
15 70292
16 156670
17 353098
18 791762
19 1776560
20 3999190
21 8991152
22 20221266
23 45520396
24 102442546
25 230580304
26 519141320
27 1168761696
28 2631446768
29 5925181452
30 13341570650

[1,11,6,18,32,60,124,288,598,1266,2910,6362,13924,
 31578,70292,156670,353098,791762,1776560,3999190,
 8991152,20221266,45520396,102442546,230580304,
 519141320,1168761696,2631446768,5925181452,
 13341570650]

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Last modified December 4 12:05 EST 2020. Contains 338923 sequences. (Running on oeis4.)