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”).

A038698 as a simple table

na(n)
10
21
30
41
52
61
70
81
92
101
112
121
130
141
152
161
172
181
192
203
212
223
234
243
252
261
272
283
292
301
312
323
332
343
352
363
372
383
394
403
414
423
434
443
452
463
474
485
496
505
514
525
534
545
554
565
574
585
594
603
614
623
634
645
654
663
674
683
694
703
712
723
734
743
754
765
774
783
792
801
812
821
832
841
852
863
872
881
890
901
912
923
934
945
956
967
976
985
996
1005
1016
1025
1036
1045
1056

[0,1,0,1,2,1,0,1,2,1,2,1,0,1,2,1,2,1,2,3,2,3,4,3,
 2,1,2,3,2,1,2,3,2,3,2,3,2,3,4,3,4,3,4,3,2,3,4,5,6,
 5,4,5,4,5,4,5,4,5,4,3,4,3,4,5,4,3,4,3,4,3,2,3,4,3,
 4,5,4,3,2,1,2,1,2,1,2,3,2,1,0,1,2,3,4,5,6,7,6,5,6,
 5,6,5,6,5,6]