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”).

A353415 as a simple table

na(n)
11
21
31
41
51
63
71
83
91
102
111
126
131
143
153
165
171
186
191
205
212
222
231
2414
251
263
273
286
291
3012
311
326
333
342
353
3620
371
383
392
4010
411
4212
431
445
456
462
471
4827
491
505
513
526
531
5414
552
5614
572
583
591
6032
611
622
635
6411
653
6612
671
685
693
7012
711
7243
731
743
756
766
773
7812
791
8017
815
822
831
8438
852
863
872
8810
891
9038
912
925
933
942
953
9646
971
986
996

[1,1,1,1,1,3,1,3,1,2,1,6,1,3,3,5,1,6,1,5,2,2,1,14,
 1,3,3,6,1,12,1,6,3,2,3,20,1,3,2,10,1,12,1,5,6,2,1,
 27,1,5,3,6,1,14,2,14,2,3,1,32,1,2,5,11,3,12,1,5,3,
 12,1,43,1,3,6,6,3,12,1,17,5,2,1,38,2,3,2,10,1,38,
 2,5,3,2,3,46,1,6,6]