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A228348 as a triangular array

1
21
100
3211
10000
210000
1000000
43221111
100000000
2100000000
10000000000
321100000000
10000000

A228348 as a square array

1213121412131
102010301020
01000200010
1000200010
000100000
00100000
0100000
100000
0000
000
00
0
1213121412131
102010301020
01000200010
1000200010
000100000
00100000
0100000
100000
0000
000
00
0