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A158944 as a triangular array

1
01
201
0201
30201
030201
4030201
04030201
504030201
0504030201
60504030201
060504030201

A158944 as a square array

102030405060
10203040506
1020304050
102030405
10203040
1020304
102030
10203
1020
102
10
1
102030405060
10203040506
1020304050
102030405
10203040
1020304
102030
10203
1020
102
10
1