login

A102642 as a simple table

na(n)
12
23
35
45
54
65
73
84
94
105
113
127
133
146
153
163
174
186
193
206
214
227
233
246
253
265
273
285
294
307
313
325
334
345
355
367
373
386
395
405
413
426
433
446
455
465
473
487
493
505
514
525
533
546
557
563
576
583
593
604
613
625
634
643
654
666
673
685
695
706
713
727
733
745
757
765
775
786
793
805
816
825
833
844
853
865
873
886
893
905
913
925
934
945
955
965
974
986
994
1007
1013
1026
1033
1044
1057

[2,3,5,5,4,5,3,4,4,5,3,7,3,6,3,3,4,6,3,6,4,7,3,6,
 3,5,3,5,4,7,3,5,4,5,5,7,3,6,5,5,3,6,3,6,5,5,3,7,3,
 5,4,5,3,6,7,3,6,3,3,4,3,5,4,3,4,6,3,5,5,6,3,7,3,5,
 7,5,5,6,3,5,6,5,3,4,3,5,3,6,3,5,3,5,4,5,5,5,4,6,4,
 7,3,6,3,4,7]