login

A051802 as a simple table

na(n)
01
11
22
33
44
55
66
77
88
99
101
111
122
133
144
155
166
177
188
199
202
212
224
236
248
251
262
274
286
298
303
313
326
339
342
355
368
372
388
394
404
414
428
432
446
452
468
476
486
498
505
515
521
535
542
551
563
575
584
592
606
616
622
638
648
653
668
678
686
692
707
717
724
732
746
755
768
778
783
798
808
818
826
838
846
854
866

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