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A355996 as a triangular array

1
11
131
1641
1302051
160603061
14204202104271
184033608403365681
1756010080756030245047291
1151201008007560015120504072090101
11663201108800831600166320554407920990110111

A355996 as a square array

11111111111
1363060420840756015120166320
1420604203360100801008001108800
1530210840756075600831600
1642336302415120166320
1756504504055440
18727207920
1990990
110110
111
1
11111111111
1363060420840756015120166320
1420604203360100801008001108800
1530210840756075600831600
1642336302415120166320
1756504504055440
18727207920
1990990
110110
111
1