login

A077880 as a simple table

na(n)
01
11
23
32
46
52
611
7-1
821
9-12
1044
11-44
12101
13-131
14247
15-362
16626
17-970
181615
19-2565
204201
21-6744
2210968
23-17688
2428681
25-46343
2675051
27-121366
28196446
29-317782
30514259
31-832009
321346301
33-2178276
343524612
35-5702852
369227501
37-14930315
3824157855
39-39088130
4063246026
41-102334114

[1,1,3,2,6,2,11,-1,21,-12,44,-44,101,-131,247,
 -362,626,-970,1615,-2565,4201,-6744,10968,-17688,
 28681,-46343,75051,-121366,196446,-317782,514259,
 -832009,1346301,-2178276,3524612,-5702852,9227501,
 -14930315,24157855,-39088130,63246026,-102334114]