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”).

A336649 as a simple table

na(n)
11
21
31
41
51
61
71
81
94
101
111
121
131
141
151
161
171
184
191
201
211
221
231
241
256
261
2713
281
291
301
311
321
331
341
351
364
371
381
391
401
411
421
431
441
454
461
471
481
498
506
511
521
531
5413
551
561
571
581
591
601
611
621
634
641
651
661
671
681
691
701
711
724
731
741
756
761
771
781
791
801
8140
821
831
841
851
861
871
881
891
904
911
921
931
941
951
961
971
988
994
1006
1011
1021
1031
1041
1051

[1,1,1,1,1,1,1,1,4,1,1,1,1,1,1,1,1,4,1,1,1,1,1,1,
 6,1,13,1,1,1,1,1,1,1,1,4,1,1,1,1,1,1,1,1,4,1,1,1,
 8,6,1,1,1,13,1,1,1,1,1,1,1,1,4,1,1,1,1,1,1,1,1,4,
 1,1,6,1,1,1,1,1,40,1,1,1,1,1,1,1,1,4,1,1,1,1,1,1,
 1,8,4,6,1,1,1,1,1]