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A136521
as a triangular array
1
0
2
0
0
2
0
0
0
2
0
0
0
0
2
0
0
0
0
0
2
0
0
0
0
0
0
2
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
2
A136521
as a square array
1
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
2
0
0
0
0
0
0
2
0
0
0
0
0
2
0
0
0
0
2
0
0
0
2
0
0
2
0
2
A136521
as an upper right triangle
1
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
2
0
0
0
0
0
0
2
0
0
0
0
0
2
0
0
0
0
2
0
0
0
2
0
0
2
0
2
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Last modified May 23 09:20 EDT 2024. Contains 372760 sequences. (Running on oeis4.)
