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A103709 as a simple table

na(n)
15
20
353
40
50
6211
70
80
920201
100
110
1216787
130
140
1569623
160
170
18255803
190
200
21247141
220
230
243565979
250
260
276314447
280
290
304911311
310
320
3312012743
340
350
3623346809
370
380
3943607429
400
410
4234346287
430
440
4536598607
460
470
4851042053
490
500
51460475569
520
530

[5,0,53,0,0,211,0,0,20201,0,0,16787,0,0,69623,0,0,
 255803,0,0,247141,0,0,3565979,0,0,6314447,0,0,
 4911311,0,0,12012743,0,0,23346809,0,0,43607429,0,
 0,34346287,0,0,36598607,0,0,51042053,0,0,
 460475569,0,0]