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”).

A325613 as a simple table

na(n)
11
21
31
42
51
61
71
82
91
102
110
120
131
143
152
162
172
181
191
201
211
221
230
241
253
261
272
281
290
300
310
321
333
340
350
361
372
382
391
404
412
420
430
441
450
460
471
483
492
503
510
520
530
540
550
560
571
583
591
601
613
621
630
641
652
661
671
680
691
702
712
720
730
740
750
760
770
781
794
801
812
822
832
843
851
860
870

[1,1,1,2,1,1,1,2,1,2,0,0,1,3,2,2,2,1,1,1,1,1,0,1,
 3,1,2,1,0,0,0,1,3,0,0,1,2,2,1,4,2,0,0,1,0,0,1,3,2,
 3,0,0,0,0,0,0,1,3,1,1,3,1,0,1,2,1,1,0,1,2,2,0,0,0,
 0,0,0,1,4,1,2,2,2,3,1,0,0]