login

A220694 as a simple table

na(n)
11
21
32
41
52
61
72
83
91
102
113
121
132
143
151
162
173
181
192
203
211
222
233
241
252
263
274
281
292
303
314
321
332
343
354
361
372
383
394
401
412
423
434
441
452
463
474
481
492
503
514
521
532
543
554
561
572
583
594
601
612
623
634
641
652
663
674
681
692
703
714
721
732
743
754
761
772
783
794
801
812
823
834
841
852
863
874

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