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”).

A374328 as a simple table

na(n)
10
20
31
40
50
60
71
80
90
101
110
120
130
142
150
161
170
181
190
200
210
221
230
241
250
260
270
280
290
300
311
320
330
340
350
360
370
381
391
400
410
422
431
441
450
461
470
480
490
500
510
521
530
540
551
560
570
580
591
600
610
620
630
640
651
661
670
680
690
702
712
720
730
741
750
760
770
780
791
800
811
820
830
840
850
861
871

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