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A228077 as a simple table

na(n)
20
3-1
40
50
6-5
71
80
90
10-13
110
12-145
135
140
150
16-25
170
18-3805
190
200
21125
220
230
2453
25569
26-401
270
280
29-851525
3073
310
320
33149
340
35-9305
360
37-385645
380
390
40-85
410
42-82596761
430
44126985
45-785
460
470
480
490
50-1321693313
511517
520
534574225
540
551025
560
57-134485
580
59-535979945
6063445
610
62-145
630
640
657170685
66-19805
670
6855335641
690
70-167273125693
713793
720
730
74-27765559705
750
760
77-427316305
78-1027776565
792564801
805534176685

[0,-1,0,0,-5,1,0,0,-13,0,-145,5,0,0,-25,0,-3805,0,
 0,125,0,0,53,569,-401,0,0,-851525,73,0,0,149,0,
 -9305,0,-385645,0,0,-85,0,-82596761,0,126985,-785,
 0,0,0,0,-1321693313,1517,0,4574225,0,1025,0,
 -134485,0,-535979945,63445,0,-145,0,0,7170685,
 -19805,0,55335641,0,-167273125693,3793,0,0,
 -27765559705,0,0,-427316305,-1027776565,2564801,
 5534176685]