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A148969 as a simple table

n a(n)
0 1
1 1
2 3
3 9
4 31
5 109
6 401
7 1529
8 5933
9 23677
10 96123
11 393067
12 1626847
13 6802771
14 28670115
15 121927421
16 521950931
17 2244471413
18 9701621923
19 42139999533
20 183851179889
21 805623893623
22 3542539051449
23 15622274745531
24 69096398821167
25 306494968545683
26 1363303054848177
27 6079736450020545
28 27172530115976509

[1,1,3,9,31,109,401,1529,5933,23677,96123,393067,
 1626847,6802771,28670115,121927421,521950931,
 2244471413,9701621923,42139999533,183851179889,
 805623893623,3542539051449,15622274745531,
 69096398821167,306494968545683,1363303054848177,
 6079736450020545,27172530115976509]

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Last modified April 24 06:24 EDT 2024. Contains 371918 sequences. (Running on oeis4.)