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”).

A271451 as a simple table

na(n)
11
21
31
40
53
61
7-1
83
95
101
11-1
12-1
1310
147
151
160
17-6
187
1921
209
211
221
23-6
24-10
2531
2636
2711
281
291
301
31-29
327
3379
3455
3513
361
370
389
39-24
40-63
4181
42159
4378
4415
451
46-1
479
4815
49-123
50-54
51264
52279
53105
5417
551
56-1
57-1
5857
59-69
60-321
61132
62624
63447
64136
6519
661
670
68-12
6950
70126
71-459
72-507
73741
741245
75671
76171
7721
781
791
80-12
81-20
82302
83-81
84-1419
85-258
862163
872227
88959
89210
9023
911

[1,1,1,0,3,1,-1,3,5,1,-1,-1,10,7,1,0,-6,7,21,9,1,
 1,-6,-10,31,36,11,1,1,1,-29,7,79,55,13,1,0,9,-24,
 -63,81,159,78,15,1,-1,9,15,-123,-54,264,279,105,
 17,1,-1,-1,57,-69,-321,132,624,447,136,19,1,0,-12,
 50,126,-459,-507,741,1245,671,171,21,1,1,-12,-20,
 302,-81,-1419,-258,2163,2227,959,210,23,1]