login

A269953 as a simple table

na(n)
01
1-1
21
31
4-1
51
6-1
72
80
91
101
110
125
132
141
15-1
169
1715
1815
195
201
211
2235
2394
2485
2540
269
271
28-1
29230
30595
31609
32315
3391
3414
351
361
371624
384458
394844
402779
41924
42182
4320
441
45-1
4613209
4737590
4843238
4926817
509975
512310
52330
5327
541

[1,-1,1,1,-1,1,-1,2,0,1,1,0,5,2,1,-1,9,15,15,5,1,
 1,35,94,85,40,9,1,-1,230,595,609,315,91,14,1,1,
 1624,4458,4844,2779,924,182,20,1,-1,13209,37590,
 43238,26817,9975,2310,330,27,1]