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A318859 as a simple table

n a(n)
2 0
3 1
4 1
5 4
6 9
7 22
8 54
9 138
10 346
11 889
12 2285
13 5928
14 15436
15 40424
16 106230
17 280305
18 741912
19 1969816
20 5243942
21 13995807
22 37439883
23 100371907
24 269623436
25 725638613
26 1956352468
27 5283171593
28 14289645110
29 38707131195
30 104995130162
31 285184002486
32 775586517781

[0,1,1,4,9,22,54,138,346,889,2285,5928,15436,
 40424,106230,280305,741912,1969816,5243942,
 13995807,37439883,100371907,269623436,725638613,
 1956352468,5283171593,14289645110,38707131195,
 104995130162,285184002486,775586517781]

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Last modified August 15 12:09 EDT 2022. Contains 356145 sequences. (Running on oeis4.)