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A335843 as a simple table

n a(n)
1 0
2 81
3 243
4 567
5 1215
6 2511
7 5103
8 10287
9 20655
10 41391
11 82863
12 165807
13 331695
14 663471
15 1327023
16 2654127
17 5308335
18 10616751
19 21233583
20 42467247
21 84934575
22 169869231
23 339738543
24 679477167
25 1358954415
26 2717908911
27 5435817903
28 10871635887
29 21743271855
30 43486543791

[0,81,243,567,1215,2511,5103,10287,20655,41391,
 82863,165807,331695,663471,1327023,2654127,
 5308335,10616751,21233583,42467247,84934575,
 169869231,339738543,679477167,1358954415,
 2717908911,5435817903,10871635887,21743271855,
 43486543791]

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)