login

A031298 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
100
111
121
131
142
151
163
171
184
191
205
211
226
231
247
251
268
271
289
291
300
312
321
332
342
352
363
372
384
392
405
412
426
432
447
452
468
472
489
492
500
513
521
533
542
553
563
573
584
593
605
613
626
633
647
653
668
673
689
693
700
714
721
734
742
754
763
774
784
794
805
814
826
834
847
854
868
874
889
894
900

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