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A183115 as a simple table

n a(n)
0 0
1 1
2 3
3 7
4 19
5 55
6 159
7 471
8 1403
9 4191
10 12551
11 37615
12 112787
13 338279
14 1014703
15 3043911
16 9131435
17 27393839
18 82180823
19 246541407
20 739622595
21 2218865335
22 6656592255
23 19969771063
24 59909304539
25 179727900415
26 539183681191
27 1617551013071
28 4852652992755
29 14557958907655
30 43673876615503

[0,1,3,7,19,55,159,471,1403,4191,12551,37615,
 112787,338279,1014703,3043911,9131435,27393839,
 82180823,246541407,739622595,2218865335,
 6656592255,19969771063,59909304539,179727900415,
 539183681191,1617551013071,4852652992755,
 14557958907655,43673876615503]

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Last modified May 12 22:08 EDT 2024. Contains 372495 sequences. (Running on oeis4.)