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A018017 as a simple table

n a(n)
0 1
1 3
2 6
3 14
4 34
5 82
6 196
7 473
8 1139
9 2744
10 6614
11 15940
12 38416
13 92589
14 223151
15 537824
16 1296233
17 3124105
18 7529536
19 18147253
20 43737462
21 105413504
22 254061542
23 612324459
24 1475789056
25 3556861577
26 8572542415
27 20661046784
28 49796062077
29 120015593800
30 289254654976

[1,3,6,14,34,82,196,473,1139,2744,6614,15940,
 38416,92589,223151,537824,1296233,3124105,7529536,
 18147253,43737462,105413504,254061542,612324459,
 1475789056,3556861577,8572542415,20661046784,
 49796062077,120015593800,289254654976]

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Last modified May 26 12:18 EDT 2024. Contains 372826 sequences. (Running on oeis4.)