login

A140287 as a simple table

na(n)
00
10
21
3-1
40
51
6-3
72
81
9-5
108
11-4
12-7
1318
14-20
159
1632
17-56
1849
19-25
20-120
21161
22-123
2382
24401
25-445
26328
27-284
28-1247
291218
30-940
31969
323712
33-3376
342849
35-3185
36-10800
379601
38-8883
3910082
4031201
41-28085
4227848
43-30964
44-90487
4584018
46-86660
4793129
48264992
49-254696

[0,0,1,-1,0,1,-3,2,1,-5,8,-4,-7,18,-20,9,32,-56,
 49,-25,-120,161,-123,82,401,-445,328,-284,-1247,
 1218,-940,969,3712,-3376,2849,-3185,-10800,9601,
 -8883,10082,31201,-28085,27848,-30964,-90487,
 84018,-86660,93129,264992,-254696]