login

A121889 as a simple table

na(n)
13
24
33
45
53
65
73
85
94
103
114
125
133
145
154
167
173
187
195
203
217
225
234
243
255
263
275
283
295
303
315
324
333
344
353
364
377
385
394
407
413
427
433
445
453
465
4713
485
493
505
517
523
5311
544
557
564
573
584
595
603
614
623
635
643
655
663
674
6811
693
705
717
723
734
747
755
764
773
785
793
8011
813
8211
833
847
855
864
873
885
893
905
917
923
935
943
955
964
975
983
994
1007
1014
1027
1034

[3,4,3,5,3,5,3,5,4,3,4,5,3,5,4,7,3,7,5,3,7,5,4,3,
 5,3,5,3,5,3,5,4,3,4,3,4,7,5,4,7,3,7,3,5,3,5,13,5,
 3,5,7,3,11,4,7,4,3,4,5,3,4,3,5,3,5,3,4,11,3,5,7,3,
 4,7,5,4,3,5,3,11,3,11,3,7,5,4,3,5,3,5,7,3,5,3,5,4,
 5,3,4,7,4,7,4]