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A067955 as a simple table

n a(n)
1 1
2 0
3 0
4 1
5 0
6 1
7 3
8 1
9 8
10 13
11 15
12 56
13 79
14 157
15 399
16 624
17 1448
18 3061
19 5571
20 12826
21 25559
22 51608
23 113828
24 227954
25 482591
26 1031681
27 2117323
28 4542331
29 9591243
30 20119244
31 43164172
32 91165297
33 193826856
34 415024053
35 881294603
36 1886458874
37 4038398755

[1,0,0,1,0,1,3,1,8,13,15,56,79,157,399,624,1448,
 3061,5571,12826,25559,51608,113828,227954,482591,
 1031681,2117323,4542331,9591243,20119244,43164172,
 91165297,193826856,415024053,881294603,1886458874,
 4038398755]

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Last modified May 5 14:32 EDT 2024. Contains 372275 sequences. (Running on oeis4.)