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A189548 as a simple table

na(n)
112
2152
3964
43664
511276
626152
756440
8107464
9192680
10320940
11519728
12785056
131168104
141680672
152360220
163236220
174391472
185806664
197616720
209805592
2112492388
2215716184
2319660824
2424190984
2529641876
2635992732
2743442168
2851971748

[12,152,964,3664,11276,26152,56440,107464,192680,
 320940,519728,785056,1168104,1680672,2360220,
 3236220,4391472,5806664,7616720,9805592,12492388,
 15716184,19660824,24190984,29641876,35992732,
 43442168,51971748]