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A307226 as a triangular array

0
01
012
0132
04132
045132
0465132
70465132
704651328
7046513298
704651310298
70465111310298

A307226 as a square array

000000077777
11144400000
2315644444
231566666
23155555
2311111
2333311
222103
89210
892
89
8
000000077777
11144400000
2315644444
231566666
23155555
2311111
2333311
222103
89210
892
89
8