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”).

A342025 as a simple table

na(n)
11
21
30
41
50
60
70
81
90
100
110
120
130
140
151
161
170
180
190
200
210
220
230
240
250
260
270
280
290
301
310
321
330
340
351
360
370
380
391
400
410
420
430
440
450
460
470
480
490
500
511
520
530
540
551
560
570
580
590
601
610
620
630
641
650
660
670
680
690
701
710
720
730
740
750
760
770
781
790
800
810
820
830
840
850
860
871
880
890
900
911
920
930
940
951
960
970
980
990
1000
1010
1021
1030
1040
1050
1060
1070
1080
1090
1101
1111
1120
1130
1140
1151
1160
1170
1180
1191
1201

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