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A287704 as a simple table

na(n)
12
212
31
41
560
61
7120
81
984
101
111
1263
131
1460
151
16252
171
1824
191
20132
211
221
2340
241
2533
261
275460
281
29240
301
3144
321
33936
341
3512
361
371
3833
391
40585
411
423
431
441020
451
46132
471
48910
491
502
511
52680
531
541596
551
561
573276
581
591
601
61680
621
631197
641
65660
661

[2,12,1,1,60,1,120,1,84,1,1,63,1,60,1,252,1,24,1,
 132,1,1,40,1,33,1,5460,1,240,1,44,1,936,1,12,1,1,
 33,1,585,1,3,1,1020,1,132,1,910,1,2,1,680,1,1596,
 1,1,3276,1,1,1,680,1,1197,1,660,1]