login

A069480 as a simple table

na(n)
11
2-2
3-5
46
513
6-12
7-25
820
941
10-30
11-61
1242
1385
14-56
15-113
1672
17145
18-90
19-181
20110
21221
22-132
23-265
24156
25313
26-182
27-365
28210
29421
30-240
31-481
32272
33545
34-306
35-613
36342
37685
38-380
39-761
40420
41841
42-462
43-925
44506
451013
46-552
47-1105
48600
491201
50-650
51-1301
52702
531405
54-756
55-1513

[1,-2,-5,6,13,-12,-25,20,41,-30,-61,42,85,-56,
 -113,72,145,-90,-181,110,221,-132,-265,156,313,
 -182,-365,210,421,-240,-481,272,545,-306,-613,342,
 685,-380,-761,420,841,-462,-925,506,1013,-552,
 -1105,600,1201,-650,-1301,702,1405,-756,-1513]