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A204021 as a triangular array

1
1-1
2-41
4-129-1
8-3240-161
16-80140-10025-1
32-192432-448210-361
64-4481232-16801176-39249-1
128-10243328-56325280-2688672-641
256-23048640-1747220592

A204021 as a square array

11248163264128256
-1-4-12-32-80-192-448-1024-2304
1940140432123233288640
-1-16-100-448-1680-5632-17472
1252101176528020592
-1-36-392-2688
149672
-1-64
1
11248163264128256
-1-4-12-32-80-192-448-1024-2304
1940140432123233288640
-1-16-100-448-1680-5632-17472
1252101176528020592
-1-36-392-2688
149672
-1-64
1