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A285165 as a simple table

na(n)
31
41
51
67
76
81
973
1056
1116
121
13879
14640
15208
1630
171
1811713
198256
202848
21560
2248
231
24167423
25115456
2641216
279440
281240
2970
301
312519937
321710592
33624384
34156592
3525864
362408
3796
381
3939458047
4026468352
419812992
422613664
43496944
4461712
454256
46126
471
48637446145
49423641088
50158883840
5144169600
529234368
531377600
54132480
557008
56160
571
5810561615871
596966960128
602636197888
61756712960
62169378560
6328663040
643430528
65261648
6610920
67198
681

[1,1,1,7,6,1,73,56,16,1,879,640,208,30,1,11713,
 8256,2848,560,48,1,167423,115456,41216,9440,1240,
 70,1,2519937,1710592,624384,156592,25864,2408,96,
 1,39458047,26468352,9812992,2613664,496944,61712,
 4256,126,1,637446145,423641088,158883840,44169600,
 9234368,1377600,132480,7008,160,1,10561615871,
 6966960128,2636197888,756712960,169378560,
 28663040,3430528,261648,10920,198,1]