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A109502 as a triangular array

1
10
100
1010
10200
103210
1046600
10512211010
1062052602200
107301052041834210
108421865208205468600
10956301111026053276164117010

A109502 as a square array

111111111111
00000000000
0123456789
00261220304256
0162152105186301
0010602045201110
01221838202605
00425463276
01861641
00170
01
0
111111111111
00000000000
0123456789
00261220304256
0162152105186301
0010602045201110
01221838202605
00425463276
01861641
00170
01
0