login

A174861 as a simple table

na(n)
01
11
21
31
4-5
51
61
7-11
8-11
91
101
11-311
12505
13-311
141
151
161561
17-1919
18-1919
191561
201
211
22-97919
23257761
24-324719
25257761
26-97919
271
281
293517921
30-8013599
314475521
324475521
33-8013599
343517921
351
361
37-204382079
38539844481
39-608549759
40545811841

[1,1,1,1,-5,1,1,-11,-11,1,1,-311,505,-311,1,1,
 1561,-1919,-1919,1561,1,1,-97919,257761,-324719,
 257761,-97919,1,1,3517921,-8013599,4475521,
 4475521,-8013599,3517921,1,1,-204382079,539844481,
 -608549759,545811841]