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A369312 as a triangular array

0
10
200
3100
41100
521000
6230000
73310000
832110000
9421110000
104711110000
1157211100000
12562211000000

A369312 as a square array

0123456789101112
001122334455
00113322776
0000111122
000011112
00001111
0000111
000000
00000
0000
000
00
0
0123456789101112
001122334455
00113322776
0000111122
000011112
00001111
0000111
000000
00000
0000
000
00
0