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A047918 as a simple table

na(n)
11
22
30
46
50
60
78
80
90
1016
1120
120
130
140
15100
1612
1724
1836
190
200
21648
2242
230
240
250
260
270
284998
2932
3032
310
32320
330
340
350
3639936
3754
380
39270
400
410
420
430
440
45362556
4640
47160
480
490
503800
510
520
530
540
553624800
56110
570
580
590
600
610
620
630
640
650
6639916690
6748
6896

[1,2,0,6,0,0,8,0,0,16,20,0,0,0,100,12,24,36,0,0,
 648,42,0,0,0,0,0,4998,32,32,0,320,0,0,0,39936,54,
 0,270,0,0,0,0,0,362556,40,160,0,0,3800,0,0,0,0,
 3624800,110,0,0,0,0,0,0,0,0,0,39916690,48,96]