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A308654 as a triangular array

1
02
022
0242
02642
028842
021014842
02122016842
0214282616842
021638402816842
02184860462816842
0220608472482816842

A308654 as a square array

100000000000
22222222222
2468101214161820
248142028384860
2481626406084
24816284672
248162848
2481628
24816
248
24
2
100000000000
22222222222
2468101214161820
248142028384860
2481626406084
24816284672
248162848
2481628
24816
248
24
2