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A246608 as a simple table

na(n)
01
1-2
20
30
4-6
516
60
70
88
9-50
100
110
1216
1380
140
150
16-38
17-96
180
190
20-16
21160
220
230
2448
25-242
260
270
2864
29240
300
310
32-56
33-288
340
350
36-150
37400
380
390
40112
41-384
420
430
44112
45496
460
470
48-112
49-674
500
510
52-80
53560
540
550
56160
57-672
580
590
60192
61880
620
630
64-294

[1,-2,0,0,-6,16,0,0,8,-50,0,0,16,80,0,0,-38,-96,0,
 0,-16,160,0,0,48,-242,0,0,64,240,0,0,-56,-288,0,0,
 -150,400,0,0,112,-384,0,0,112,496,0,0,-112,-674,0,
 0,-80,560,0,0,160,-672,0,0,192,880,0,0,-294]