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A087476 as a triangular array

0
10
200
1010
02120
503230
5504340
54505450
533506560
5212507670
5110101508780
509890509890
51286681250109100
512743471250

A087476 as a square array

01210555555555
000205432101212
0113053110987
022405210864
0335051963
044605084
055705127
06680512
077905
088100
099
010
0
01210555555555
000205432101212
0113053110987
022405210864
0335051963
044605084
055705127
06680512
077905
088100
099
010
0