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A203850 as a simple table

na(n)
01
1-2
2-4
30
414
516
60
70
84
9-152
10-188
110
120
13-44
140
150
164414
175456
18-4
190
201288
210
220
230
240
25-335406
26-414728
270
280
29-97904
300
310
324
330
34-8828
350
3666770564
3782532956
380
390
4019483388
41-304
420
430
440
451756816
460
470
480
49-34787592002
50-42999828492
510
5260508
53-10150882544
540
550
560
570
58-915304508
590
600
61796

[1,-2,-4,0,14,16,0,0,4,-152,-188,0,0,-44,0,0,4414,
 5456,-4,0,1288,0,0,0,0,-335406,-414728,0,0,-97904,
 0,0,4,0,-8828,0,66770564,82532956,0,0,19483388,
 -304,0,0,0,1756816,0,0,0,-34787592002,
 -42999828492,0,60508,-10150882544,0,0,0,0,
 -915304508,0,0,796]