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A133469 as a simple table

n a(n)
0 1
1 2
2 9
3 23
4 86
5 247
6 849
7 2578
8 8521
9 26567
10 86214
11 272183
12 875681
13 2780962
14 8910729
15 28377463
16 90752566
17 289394807
18 924662769
19 2950426418
20 9423065801
21 30076050727
22 96037511334
23 306569866423
24 978832445761
25 3124821510722

[1,2,9,23,86,247,849,2578,8521,26567,86214,272183,
 875681,2780962,8910729,28377463,90752566,
 289394807,924662769,2950426418,9423065801,
 30076050727,96037511334,306569866423,978832445761,
 3124821510722]

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Last modified May 16 05:56 EDT 2024. Contains 372549 sequences. (Running on oeis4.)