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”).

A316869 as a simple table

na(n)
00
10
20
30
40
50
60
70
81
90
100
110
120
130
140
150
160
170
181
190
200
210
220
230
240
250
260
270
281
290
300
310
320
330
340
350
360
370
381
390
400
410
420
430
440
450
460
470
481
490
500
510
520
530
540
550
560
570
581
590
600
610
620
630
640
650
660
670
681
690
700
710
720
730
740
750
760
770
781
790
801
811
821
831
841
851
861
871
882
891
900
910
920
930
940
950
960
970
981
990
1000
1010
1020
1030
1040

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