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A349973 as a simple table

n a(n)
0 0
1 1
2 4
3 12
4 34
5 89
6 226
7 554
8 1328
9 3104
10 7158
11 16235
12 36420
13 80797
14 177789
15 387968
16 841696
17 1814473
18 3892920
19 8313588
20 17686711
21 37486091
22 79213997
23 166888364
24 350720648
25 735273025
26 1538259673
27 3211682091
28 6693935172
29 13928034709
30 28936571039
31 60032053097

[0,1,4,12,34,89,226,554,1328,3104,7158,16235,
 36420,80797,177789,387968,841696,1814473,3892920,
 8313588,17686711,37486091,79213997,166888364,
 350720648,735273025,1538259673,3211682091,
 6693935172,13928034709,28936571039,60032053097]

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Last modified September 3 05:18 EDT 2024. Contains 375649 sequences. (Running on oeis4.)