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”).

A107599 as a simple table

na(n)
22
31
42
50
62
70
82
92
100
112
120
130
142
152
161
170
182
190
200
212
220
232
242
250
260
272
280
292
302
310
322
330
342
350
362
371
380
392
401
410
422
430
442
450
462
471
480
490
502
512
520
532
540
551
561
570
582
590
600
612
622
630
640
652
662
670
682
690
702
712
722
730
741
750
762
772
780
792
802
810
822
830
842
850
862
872
880
890
902
912
920
930
942
950
962
972
980
992
1000

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