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A218664 as a simple table

na(n)
01
11
2-2
3-1
41
54
63
7-1
81
97
1014
117
121
1310
1431
1529
161
1713
1854
1971
201
2116
2283
23139
241
2519
26118
27239
281
2922
30159
31377
321
3325
34206
35559
361
3728
38259
39791
401
4131
42318
431079
441
4534
46383
471429
481
4937
50454
511847
521
5340
54531
552339
561
5743
58614
592911
601
6146
62703
633569
641
6549
66798
674319

[1,1,-2,-1,1,4,3,-1,1,7,14,7,1,10,31,29,1,13,54,
 71,1,16,83,139,1,19,118,239,1,22,159,377,1,25,206,
 559,1,28,259,791,1,31,318,1079,1,34,383,1429,1,37,
 454,1847,1,40,531,2339,1,43,614,2911,1,46,703,
 3569,1,49,798,4319]