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A202820
as
a triangular array
0
0
0
1
1
1
3
2
1
0
17
20
22
23
23
105
88
68
46
23
0
A202820
as
a square array
0
0
1
3
17
105
0
1
2
20
88
1
1
22
68
0
23
46
23
23
0
A202820
as
an upper right triangle
0
0
1
3
17
105
0
1
2
20
88
1
1
22
68
0
23
46
23
23
0