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”).

A339627 as a simple table

na(n)
01
11
20
30
40
50
60
70
80
90
100
111
121
130
140
150
160
170
180
190
200
210
220
230
241
251
260
270
280
290
301
312
322
331
340
350
360
371
382
391
400
410
420
431
441
452
462
470
480
490
502
512
521
532
542
552
561
572
582
591
602
612
623
632
644
655
664
677
684
692
702
716
726
731
743
753
764
773
784

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