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”).

A216185 as a simple table

na(n)
20
37
40
57
67
715
80
931
107
1115
127
137
1415
1523
160
177
1831
197
207
2123
2215
2317
247
2531
267
277
2815
2915
3023
317
320
337
347
3539
3631
3715
387
3917
407
417
4223
4315
4415
457
4617
477
487
4931
5031
5123
527
5323
547
557
5615
5717
5815
597
6023
617
627
6317
640
6517
667
6715
687
697
7039
7115
7231
737
7415
757
767

[0,7,0,7,7,15,0,31,7,15,7,7,15,23,0,7,31,7,7,23,
 15,17,7,31,7,7,15,15,23,7,0,7,7,39,31,15,7,17,7,7,
 23,15,15,7,17,7,7,31,31,23,7,23,7,7,15,17,15,7,23,
 7,7,17,0,17,7,15,7,7,39,15,31,7,15,7,7]