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A257103 as a simple table

n a(n)
1 21
2 56
3 1862
4 2526
5 1352797
6 2201422
7 3206062
8 34844422
9 42400318
10 8586830293
11 20967471193
12 23194695022
13 43790421673
14 45041812729
15 48438881254
16 101060544853
17 177839630854
18 180939891343
19 198419358598
20 305550990673
21 354694083622
22 661663823662
23 785220739279

[21,56,1862,2526,1352797,2201422,3206062,34844422,
 42400318,8586830293,20967471193,23194695022,
 43790421673,45041812729,48438881254,101060544853,
 177839630854,180939891343,198419358598,
 305550990673,354694083622,661663823662,
 785220739279]

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Last modified August 14 14:46 EDT 2024. Contains 375165 sequences. (Running on oeis4.)