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A180668 as a simple table

n a(n)
0 0
1 0
2 1
3 5
4 14
5 32
6 67
7 133
8 256
9 484
10 905
11 1681
12 3110
13 5740
14 10579
15 19481
16 35856
17 65976
18 121377
19 223277
20 410702
21 755432
22 1389491
23 2555709
24 4700720
25 8646012
26 15902537
27 29249369
28 53798022
29 98950036
30 181997539
31 334745713

[0,0,1,5,14,32,67,133,256,484,905,1681,3110,5740,
 10579,19481,35856,65976,121377,223277,410702,
 755432,1389491,2555709,4700720,8646012,15902537,
 29249369,53798022,98950036,181997539,334745713]

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Last modified April 24 17:51 EDT 2024. Contains 371962 sequences. (Running on oeis4.)