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”).

A321929 as a simple table

na(n)
11
20
31
41
51
60
70
81
90
101
112
121
131
141
150
160
170
180
191
200
211
220
231
242
250
260
270
281
293
300
311
321
332
343
351
361
371
381
391
400
410
420
430
440
450
461
470
480
490
500
510
521
534
540
550
560
571
580
592
605
610
620
631
642
651
663
675
680
690
700
711
721
733
746
750
761
771
782
792
803
814
821
831
841
851
861
871

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