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A261290 as a simple table

n a(n)
1 540
2 743
3 2104
4 6034
5 17094
6 51268
7 153144
8 446786
9 1313726
10 3893926
11 11482268
12 33790756
13 99697166
14 294209526
15 867275046
16 2557044420
17 7542082102
18 22241722888
19 65583553668
20 193403914160
21 570355004810
22 1681918109826
23 4959816097134

[540,743,2104,6034,17094,51268,153144,446786,
 1313726,3893926,11482268,33790756,99697166,
 294209526,867275046,2557044420,7542082102,
 22241722888,65583553668,193403914160,570355004810,
 1681918109826,4959816097134]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)