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A132013 as a triangular array

1
-11
0-21
00-31
000-41
0000-51
00000-61
000000-71
0000000-81
00000000-91
000000000-101
0000000000-111
00000000000-121

A132013 as a square array

1-100000000000
1-20000000000
1-3000000000
1-400000000
1-50000000
1-6000000
1-700000
1-80000
1-9000
1-1000
1-110
1-12
1
1-100000000000
1-20000000000
1-3000000000
1-400000000
1-50000000
1-6000000
1-700000
1-80000
1-9000
1-1000
1-110
1-12
1