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A303349 as a simple table

n a(n)
0 1
1 3
2 21
3 138
4 1029
5 7878
6 62751
7 508521
8 4185885
9 34819986
10 292135143
11 2467528563
12 20958538377
13 178846047741
14 1532203949982
15 13171424183184
16 113562780734352
17 981679181808261
18 8505577753517235
19 73846557073784937
20 642328501788394527

[1,3,21,138,1029,7878,62751,508521,4185885,
 34819986,292135143,2467528563,20958538377,
 178846047741,1532203949982,13171424183184,
 113562780734352,981679181808261,8505577753517235,
 73846557073784937,642328501788394527]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)