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A198073 as a simple table

n a(n)
1 256
2 1526
3 15242
4 106442
5 534597
6 2091240
7 6776036
8 18992711
9 47486564
10 108285671
11 228948163
12 454458310
13 855154435
14 1537112038
15 2655445795
16 4431034438
17 7171212835
18 11295015910
19 17363599363
20 26116502470
21 38514458563

[256,1526,15242,106442,534597,2091240,6776036,
 18992711,47486564,108285671,228948163,454458310,
 855154435,1537112038,2655445795,4431034438,
 7171212835,11295015910,17363599363,26116502470,
 38514458563]

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Last modified December 7 09:15 EST 2021. Contains 349574 sequences. (Running on oeis4.)