login

A128498 as a simple table

na(n)
01
11
2-3
3-3
47
57
6-13
7-13
822
922
10-34
11-34
1250
1350
14-70
15-70
1695
1795
18-125
19-125
20161
21161
22-203
23-203
24252
25252
26-308
27-308
28372
29372
30-444
31-444
32525
33525
34-615
35-615
36715
37715
38-825
39-825
40946
41946
42-1078
43-1078
441222
451222
46-1378
47-1378
481547
491547
50-1729
51-1729
521925
531925
54-2135
55-2135

[1,1,-3,-3,7,7,-13,-13,22,22,-34,-34,50,50,-70,
 -70,95,95,-125,-125,161,161,-203,-203,252,252,
 -308,-308,372,372,-444,-444,525,525,-615,-615,715,
 715,-825,-825,946,946,-1078,-1078,1222,1222,-1378,
 -1378,1547,1547,-1729,-1729,1925,1925,-2135,-2135]