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A260040 as a simple table

na(n)
11
28
31
472
515
61
7720
8190
924
101
117780
122345
13415
1435
151
1689040
1729127
186384
19798
2048
211
221064644
23367248
2493324
2515162
261400
2763
281
2913173216
304708344
311332528
32261708
3332400
342292
3580
361
37167522976
3861343667
3918829650
404271652
41657198
4263690
433555
4499
451
462178520080
47811147590
48265116720
4967358500
5012269312
511506615
52117040
535280
54120
551

[1,8,1,72,15,1,720,190,24,1,7780,2345,415,35,1,
 89040,29127,6384,798,48,1,1064644,367248,93324,
 15162,1400,63,1,13173216,4708344,1332528,261708,
 32400,2292,80,1,167522976,61343667,18829650,
 4271652,657198,63690,3555,99,1,2178520080,
 811147590,265116720,67358500,12269312,1506615,
 117040,5280,120,1]