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A283108 as a simple table

n a(n)
0 0
1 0
2 1
3 4
4 14
5 51
6 181
7 652
8 2356
9 8625
10 31791
11 118195
12 442261
13 1665299
14 6302903
15 23968090
16 91513682
17 350687935
18 1348198490
19 5198114444
20 20094107710
21 77860452105
22 302340714990
23 1176325327796
24 4584989069865
25 17900574971247
26 69993587545033
27 274071021159757
28 1074577571232370

[0,0,1,4,14,51,181,652,2356,8625,31791,118195,
 442261,1665299,6302903,23968090,91513682,
 350687935,1348198490,5198114444,20094107710,
 77860452105,302340714990,1176325327796,
 4584989069865,17900574971247,69993587545033,
 274071021159757,1074577571232370]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)