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A144204 as a simple table

na(n)
1-1
2-1
30
4-1
51
63
7-1
82
95
108
11-1
123
137
1411
1515
16-1
174
189
1914
2019
2124
22-1
235
2411
2517
2623
2729
2835
29-1
306
3113
3220
3327
3434
3541
3648
37-1
387
3915
4023
4131
4239
4347
4455
4563
46-1
478
4817
4926
5035
5144
5253
5362
5471
5580
56-1
579
5819
5929
6039
6149
6259
6369
6479
6589
6699
67-1
6810
6921
7032
7143
7254
7365
7476
7587

[-1,-1,0,-1,1,3,-1,2,5,8,-1,3,7,11,15,-1,4,9,14,
 19,24,-1,5,11,17,23,29,35,-1,6,13,20,27,34,41,48,
 -1,7,15,23,31,39,47,55,63,-1,8,17,26,35,44,53,62,
 71,80,-1,9,19,29,39,49,59,69,79,89,99,-1,10,21,32,
 43,54,65,76,87]