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A146540 as a simple table

na(n)
02
1-1
20
33
4-1
52
61
74
8-1
90
1015
115
125
13-1
142
1521
1676
1716
186
19-1
200
2163
22287
23322
2442
257
26-1
272
28113
291212
302381
311226
3299
338
34-1
350
36255
374265
3815675
3915549
404349
41219
429
43-1
442
45493
4614644
4788150
48156316
4988108
5014692
51466
5210
53-1
540
551023
5647795
57455312

[2,-1,0,3,-1,2,1,4,-1,0,15,5,5,-1,2,21,76,16,6,-1,
 0,63,287,322,42,7,-1,2,113,1212,2381,1226,99,8,-1,
 0,255,4265,15675,15549,4349,219,9,-1,2,493,14644,
 88150,156316,88108,14692,466,10,-1,0,1023,47795,
 455312]