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”).

A378006 as a simple table

na(n)
11
21
31
41
50
61
71
80
91
101
111
120
130
140
151
161
170
180
191
201
211
221
230
240
250
260
270
281
291
300
310
320
332
340
351
361
371
380
390
400
410
420
432
440
451
461
470
480
490
500
510
520
530
541
551
561
570
580
590
600
610
620
630
640
650
661
671
680
690
700
710
720
732
740
751
760
771
781
791
800
810
820
830
840
850
860
870
880
890
900
911

[1,1,1,1,0,1,1,0,1,1,1,0,0,0,1,1,0,0,1,1,1,1,0,0,
 0,0,0,1,1,0,0,0,2,0,1,1,1,0,0,0,0,0,2,0,1,1,0,0,0,
 0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,2,0,
 1,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1]