login

A143308 as a triangular array

1
42
633
12844
105555
241812666
14777777
322416168888
271818999999
40302020201010101010
2211111111111111111111
726048362424121212121212

A143308 as a square array

146121024143227402272
23851872418301160
3451271618201148
4567169201136
56789201124
6789101124
789101112
89101112
9101112
101112
1112
12
146121024143227402272
23851872418301160
3451271618201148
4567169201136
56789201124
6789101124
789101112
89101112
9101112
101112
1112
12