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A107298 as a simple table

n a(n)
0 3
1 2
2 5
3 10
4 25
5 56
6 128
7 288
8 649
9 1459
10 3280
11 7371
12 16564
13 37220
14 83634
15 187925
16 422265
17 948822
18 2131985
19 4790528
20 10764220
21 24186984
22 54347661
23 122118087
24 274396852
25 616564131

[3,2,5,10,25,56,128,288,649,1459,3280,7371,16564,
 37220,83634,187925,422265,948822,2131985,4790528,
 10764220,24186984,54347661,122118087,274396852,
 616564131]

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Last modified May 6 19:52 EDT 2021. Contains 343586 sequences. (Running on oeis4.)