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A180969 as a triangular array

0
10
200
3100
41000
520000
6210000
73100000
831000000
9410000000
104200000000
1152100000000
125210000

A180969 as a square array

0123456789101112
001122334455
00001111222
0000000011
000000000
00000000
0000000
000000
0000
000
00
0
0123456789101112
001122334455
00001111222
0000000011
000000000
00000000
0000000
000000
0000
000
00
0