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”).

A278986 as a simple table

na(n)
10
21
30
41
51
60
71
84
91
100
111
128
134
141
150
161
1716
1814
194
201
210
221
2332
2441
2514
264
271
280
291
3064
31122
3251
3314
344
351
360
371
38128
39365
40187
4151
4214
434
441
450
461
47256
481094
49715
50202
5151
5214
534
541
550
561
57512
583281
592795
60855
61202
6251
6314
644
651
660
671
681024
699842
7011051
713845
72876
73202
7451
7514
764
771

[0,1,0,1,1,0,1,4,1,0,1,8,4,1,0,1,16,14,4,1,0,1,32,
 41,14,4,1,0,1,64,122,51,14,4,1,0,1,128,365,187,51,
 14,4,1,0,1,256,1094,715,202,51,14,4,1,0,1,512,
 3281,2795,855,202,51,14,4,1,0,1,1024,9842,11051,
 3845,876,202,51,14,4,1]