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”).

A230514 as a simple table

na(n)
10
20
30
40
50
61
71
81
92
102
112
122
133
143
154
163
174
183
194
204
214
223
235
244
254
264
275
284
294
302
314
324
334
342
353
362
373
382
391
402
412
423
433
443
454
465
473
482
495
506
515
525
536
545
557
569
576
587
599
609
618
6210
638
648
6510
667
678
6810
696
709
718
726
735
748
754
767
774
784
798
807
815
823
835
843
857
863
873
885
897
905
914
926
935
946
957
965
976
9810
999
1006

[0,0,0,0,0,1,1,1,2,2,2,2,3,3,4,3,4,3,4,4,4,3,5,4,
 4,4,5,4,4,2,4,4,4,2,3,2,3,2,1,2,2,3,3,3,4,5,3,2,5,
 6,5,5,6,5,7,9,6,7,9,9,8,10,8,8,10,7,8,10,6,9,8,6,
 5,8,4,7,4,4,8,7,5,3,5,3,7,3,3,5,7,5,4,6,5,6,7,5,6,
 10,9,6]