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A122983 as a simple table

n a(n)
0 1
1 1
2 3
3 7
4 21
5 61
6 183
7 547
8 1641
9 4921
10 14763
11 44287
12 132861
13 398581
14 1195743
15 3587227
16 10761681
17 32285041
18 96855123
19 290565367
20 871696101
21 2615088301
22 7845264903
23 23535794707
24 70607384121
25 211822152361
26 635466457083

[1,1,3,7,21,61,183,547,1641,4921,14763,44287,
 132861,398581,1195743,3587227,10761681,32285041,
 96855123,290565367,871696101,2615088301,
 7845264903,23535794707,70607384121,211822152361,
 635466457083]

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Last modified April 24 07:54 EDT 2024. Contains 371922 sequences. (Running on oeis4.)