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A003176 as a simple table

na(n)
124
236
356
490
5148
6252
7435
8765
91362
102455
114466
128190
1315121
1428085
1552427
1698302
17185041
18349524
19662257
201258290
212396744
224575603
238753329
2416777215
2532212253
2661946642
27119304646
28230087532

[24,36,56,90,148,252,435,765,1362,2455,4466,8190,
 15121,28085,52427,98302,185041,349524,662257,
 1258290,2396744,4575603,8753329,16777215,32212253,
 61946642,119304646,230087532]