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A077140 as a simple table

na(n)
11
23
30
4-4
51
67
70
8-8
91
1011
110
12-12
131
1415
150
16-16
171
1819
190
20-20
211
2223
230
24-24
251
2627
270
28-28
291
3031
310
32-32
331
3435
350
36-36
371
3839
390
40-40
411
4243
430
44-44
451
4647
470
48-48
491
5051
510
52-52
531
5455
550

[1,3,0,-4,1,7,0,-8,1,11,0,-12,1,15,0,-16,1,19,0,
 -20,1,23,0,-24,1,27,0,-28,1,31,0,-32,1,35,0,-36,1,
 39,0,-40,1,43,0,-44,1,47,0,-48,1,51,0,-52,1,55,0]