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A209491 as a simple table

na(n)
31
43
50
68
70
80
920
104
110
120
1347
1415
150
160
170
18107
1937
200
210
220
230
24238
2587
2616
270
280
290
300
31520
32200
3360
340
350
360
370
380
391121
40448
41169
420
430
440
450
460
470
482391
49992
50387
5164
520
530
540
550
560
570
585056
592160
60865
61240
620
630
640
650
660
670
680

[1,3,0,8,0,0,20,4,0,0,47,15,0,0,0,107,37,0,0,0,0,
 238,87,16,0,0,0,0,520,200,60,0,0,0,0,0,1121,448,
 169,0,0,0,0,0,0,2391,992,387,64,0,0,0,0,0,0,5056,
 2160,865,240,0,0,0,0,0,0,0]