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A254642 as a simple table

n a(n)
1 1
2 259
3 7335
4 86765
5 629174
6 3314178
7 13906578
8 49183590
9 152191935
10 422931613
11 1075761505
12 2540663307
13 5633367740
14 11829663860
15 23692442292
16 45516670332
17 84278105421
18 150996708135
19 262656041515
20 444856105561
21 735419759634
22 1189222877270

[1,259,7335,86765,629174,3314178,13906578,
 49183590,152191935,422931613,1075761505,
 2540663307,5633367740,11829663860,23692442292,
 45516670332,84278105421,150996708135,262656041515,
 444856105561,735419759634,1189222877270]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)