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A215534 as a triangular array

1
-11
-1-21
-4-3-31
-27-16-6-41
-256-135-40-10-51
-3125-1536-405-80-15-61
-46656-21875-5376-945-140-21-71
-823543-373248-87500-14336-1890-224-28-81
-16777216-7411887-1679616-262500-32256-3402-336-36-91

A215534 as a square array

1-1-1-4-27-256-3125-46656-823543-16777216
1-2-3-16-135-1536-21875-373248-7411887
1-3-6-40-405-5376-87500-1679616
1-4-10-80-945-14336-262500
1-5-15-140-1890-32256
1-6-21-224-3402
1-7-28-336
1-8-36
1-9
1
1-1-1-4-27-256-3125-46656-823543-16777216
1-2-3-16-135-1536-21875-373248-7411887
1-3-6-40-405-5376-87500-1679616
1-4-10-80-945-14336-262500
1-5-15-140-1890-32256
1-6-21-224-3402
1-7-28-336
1-8-36
1-9
1