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”).

A294875 as a simple table

na(n)
11
21
31
42
51
61
71
86
92
101
111
122
131
141
151
1630
171
182
191
202
211
221
231
246
252
261
276
282
291
301
311
32210
331
341
351
368
371
381
391
406
411
421
431
442
452
461
471
4830
492
502
511
522
531
546
551
566
571
581
591
602
611
621
632
642310
651
661
671
682
691
701
711
7224
731
741
752
762
771
781
791
8030
8130
821
831
842
851
861
871
886
891
902
911
922
931
941
951
96210
971
982
992
1008
1011
1021
1031
1046
1051
1061
1071
10824
1091
1101
1111
11230
1131
1141
1151
1162

[1,1,1,2,1,1,1,6,2,1,1,2,1,1,1,30,1,2,1,2,1,1,1,6,
 2,1,6,2,1,1,1,210,1,1,1,8,1,1,1,6,1,1,1,2,2,1,1,
 30,2,2,1,2,1,6,1,6,1,1,1,2,1,1,2,2310,1,1,1,2,1,1,
 1,24,1,1,2,2,1,1,1,30,30,1,1,2,1,1,1,6,1,2,1,2,1,
 1,1,210,1,2,2,8,1,1,1,6,1,1,1,24,1,1,1,30,1,1,1,2]