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A240759 as a simple table

n a(n)
1 57
2 124
3 553
4 1750
5 5325
6 21859
7 66809
8 222091
9 811643
10 2448916
11 9024626
12 30179690
13 99789149
14 353161702
15 1157895846
16 3982409016
17 13642548710
18 45571813573
19 157078910184
20 529972106693
21 1796868367572
22 6142685239467
23 20734748809544

[57,124,553,1750,5325,21859,66809,222091,811643,
 2448916,9024626,30179690,99789149,353161702,
 1157895846,3982409016,13642548710,45571813573,
 157078910184,529972106693,1796868367572,
 6142685239467,20734748809544]

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Last modified December 4 15:36 EST 2021. Contains 349526 sequences. (Running on oeis4.)