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A299461 as a simple table

n a(n)
1 2
2 52
3 226
4 1013
5 5294
6 27639
7 139226
8 713421
9 3674765
10 18853673
11 96786807
12 497418193
13 2555599511
14 13129374671
15 67461650707
16 346631157067
17 1781036709459
18 9151338992559
19 47021631140929
20 241607368725137
21 1241433013500699

[2,52,226,1013,5294,27639,139226,713421,3674765,
 18853673,96786807,497418193,2555599511,
 13129374671,67461650707,346631157067,
 1781036709459,9151338992559,47021631140929,
 241607368725137,1241433013500699]

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Last modified February 5 20:57 EST 2023. Contains 360087 sequences. (Running on oeis4.)