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”).

A112848 as a simple table

na(n)
11
2-1
3-2
41
50
62
72
8-1
9-2
100
110
12-2
132
14-2
150
161
170
182
192
200
21-4
220
230
242
251
26-2
27-2
282
290
300
312
32-1
330
340
350
36-2
372
38-2
39-4
400
410
424
432
440
450
460
470
48-2
493
50-1
510
522
530
542
550
56-2
57-4
580
590
600
612
62-2
63-4
641
650
660
672
680
690
700
710
722
732
74-2
75-2
762
770
784
792
800
81-2
820
830
84-4
850
86-2
870
880
890
900
914
920
93-4
940
950
962
972
98-3
990
1001
1010
1020
1032
104-2
1050

[1,-1,-2,1,0,2,2,-1,-2,0,0,-2,2,-2,0,1,0,2,2,0,-4,
 0,0,2,1,-2,-2,2,0,0,2,-1,0,0,0,-2,2,-2,-4,0,0,4,2,
 0,0,0,0,-2,3,-1,0,2,0,2,0,-2,-4,0,0,0,2,-2,-4,1,0,
 0,2,0,0,0,0,2,2,-2,-2,2,0,4,2,0,-2,0,0,-4,0,-2,0,
 0,0,0,4,0,-4,0,0,2,2,-3,0,1,0,0,2,-2,0]