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A005067 as a simple table

na(n)
10
20
327
40
5125
627
7343
80
927
10125
111331
1227
132197
14343
15152
160
174913
1827
196859
20125
21370
221331
2312167
2427
25125
262197
2727
28343
2924389
30152
3129791
320
331358
344913
35468
3627
3750653
386859
392224
40125
4168921
42370
4379507
441331
45152
4612167
47103823
4827
49343
50125
514940
522197
53148877
5427
551456
56343
576886
5824389
59205379
60152

[0,0,27,0,125,27,343,0,27,125,1331,27,2197,343,
 152,0,4913,27,6859,125,370,1331,12167,27,125,2197,
 27,343,24389,152,29791,0,1358,4913,468,27,50653,
 6859,2224,125,68921,370,79507,1331,152,12167,
 103823,27,343,125,4940,2197,148877,27,1456,343,
 6886,24389,205379,152]