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”).

A265671 as a simple table

na(n)
11
22
32
42
51
63
71
81
92
103
112
122
131
142
153
163
173
182
191
202
212
223
231
243
253
262
272
283
293
303
312
321
332
342
353
361
373
383
392
402
413
423
433
442
451
462
472
483
491
503
513
522
531
542
552
562
571
583
591
601
612
623
632
642
651
663
671
681
691
703
712
723
733
741
752
761
771
783
791
802
812
822
831
843
851
861
872
883
892
902
911
921
932
942
952
961
973
981
991
1002
1013
1022
1032
1041
1052
1063
1073

[1,2,2,2,1,3,1,1,2,3,2,2,1,2,3,3,3,2,1,2,2,3,1,3,
 3,2,2,3,3,3,2,1,2,2,3,1,3,3,2,2,3,3,3,2,1,2,2,3,1,
 3,3,2,1,2,2,2,1,3,1,1,2,3,2,2,1,3,1,1,1,3,2,3,3,1,
 2,1,1,3,1,2,2,2,1,3,1,1,2,3,2,2,1,1,2,2,2,1,3,1,1,
 2,3,2,2,1,2,3,3]