login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A124385 as a simple table

na(n)
11
21
31
40
51
6-1
71
81
91
10-1
111
12-1
131
141
151
161
171
18-3
191
201
211
221
231
24-3
25-1
263
275
28-1
291
30-7
311
329
335
34-1
355
36-13
371
3813
3911
40-5
411
42-25
431
4425
4529
465
471
48-53
4919
5019
5153
5223
531
54-95
55-73
5681
5781
5825
591
60-119
611
62119
6327
641
65113
66-143
671
6889
69243
70-69
711
72-335
731
74457
75351
76-81
77145
78-841
791
80497
81831
82425
831
84-1809
85-883
861809

[1,1,1,0,1,-1,1,1,1,-1,1,-1,1,1,1,1,1,-3,1,1,1,1,
 1,-3,-1,3,5,-1,1,-7,1,9,5,-1,5,-13,1,13,11,-5,1,
 -25,1,25,29,5,1,-53,19,19,53,23,1,-95,-73,81,81,
 25,1,-119,1,119,27,1,113,-143,1,89,243,-69,1,-335,
 1,457,351,-81,145,-841,1,497,831,425,1,-1809,-883,
 1809]