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A124601 as a simple table

na(n)
0-1
11
21
31
4-1
523
614
77
88
9-1
102
113
125
137
144
1515
16-1
172
1811
1925
205
2126
226
237
2417
25-1
266
272
284
295
3013
3116
3217
3324
347
353
36-1
3715
382
3926
4041
415
4257
4323
4412
4525
4611
4713
4817
49-1
504
512
523
535
5422
553
566
5732
583
594
6012
613
6212
6311
64-1
6524
662
672
686
6912
7022
715
727
7312
7419
7525
763
7714
784
795
807

[-1,1,1,1,-1,23,14,7,8,-1,2,3,5,7,4,15,-1,2,11,25,
 5,26,6,7,17,-1,6,2,4,5,13,16,17,24,7,3,-1,15,2,26,
 41,5,57,23,12,25,11,13,17,-1,4,2,3,5,22,3,6,32,3,
 4,12,3,12,11,-1,24,2,2,6,12,22,5,7,12,19,25,3,14,
 4,5,7]