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A238450 as a triangular array

1
01
001
0001
00001
111001
1101001
21111001
222111001
3221211001
33221211001
433322211001
4433222211001

A238450 as a square array

1000011223344
100011122334
10010122233
1001111233
100112122
10011222
1001122
100112
10011
1001
100
10
1
1000011223344
100011122334
10010122233
1001111233
100112122
10011222
1001122
100112
10011
1001
100
10
1