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A074128 as a simple table

na(n)
12
28
318
472
560
678
7553
81336
94743
104370
11726
121524
1314027
142380
156330
1624800
179214
185886
1919038
202240
2125515
225192
2346138
249456
2542125
2610842
2756619
28103068
29170868
3085140
3155149
3288800
337062
3442908
35199360
3624444
3787949
38301188
391110057

[2,8,18,72,60,78,553,1336,4743,4370,726,1524,
 14027,2380,6330,24800,9214,5886,19038,2240,25515,
 5192,46138,9456,42125,10842,56619,103068,170868,
 85140,55149,88800,7062,42908,199360,24444,87949,
 301188,1110057]