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A117438 as a triangular array

1
-41
16-121
-6480-241
256-448240-401
-10242304-1792560-601
4096-1126411520-53761120-841
-1638453248-6758442240-134402016-1121
65536-245760372736-292864126720-295683360-1441

A117438 as a square array

1-416-64256-10244096-1638465536
1-1280-4482304-1126453248-245760
1-24240-179211520-67584372736
1-40560-537642240-292864
1-601120-13440126720
1-842016-29568
1-1123360
1-144
1
1-416-64256-10244096-1638465536
1-1280-4482304-1126453248-245760
1-24240-179211520-67584372736
1-40560-537642240-292864
1-601120-13440126720
1-842016-29568
1-1123360
1-144
1