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A203948 as a triangular array

1
-11
-211
-44-11
-713-711
-1135-3110-11
-1674-10761-1411
-22147-308275-11119-11
-29256-7631001-629186-2411
-37428-16833013-27211264-29130-11
-46

A203948 as a square array

1-1-2-4-7-11-16-22-29-37-46
114133574147256428
1-1-7-31-107-308-763-1683
11106127510013013
1-1-14-111-629-2721
11191861264
1-1-24-291
1130
1-1
1
1-1-2-4-7-11-16-22-29-37-46
114133574147256428
1-1-7-31-107-308-763-1683
11106127510013013
1-1-14-111-629-2721
11191861264
1-1-24-291
1130
1-1
1