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A066448 as a triangular array

1
01
020
0200
02100
022000
0240000
02600000
028000000
02101000000
021220000000
0214400000000
02168000000000

A066448 as a square array

1000000000000
122222222222
001246810121416
0000001248
000000000
00000000
0000000
000000
00000
0000
000
00
0
1000000000000
122222222222
001246810121416
0000001248
000000000
00000000
0000000
000000
00000
0000
000
00
0