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A301272 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 6
5 33
6 152
7 663
8 2778
9 11413
10 46332
11 186867
12 750878
13 3011025
14 12060480
15 48277423
16 193186146
17 772908429
18 3091983236
19 12368675691
20 49476275622
21 197908422985
22 791640682440
23 3166577409831
24 12666340397546
25 50665425902853
26 202661837829132
27 810647630936803

[0,0,0,1,6,33,152,663,2778,11413,46332,186867,
 750878,3011025,12060480,48277423,193186146,
 772908429,3091983236,12368675691,49476275622,
 197908422985,791640682440,3166577409831,
 12666340397546,50665425902853,202661837829132,
 810647630936803]

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Last modified May 2 19:04 EDT 2024. Contains 372203 sequences. (Running on oeis4.)