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A156222 as a triangular array

-2
-69
-1821-15
-5457-51375
-162165-15911314666413
-486489-483339998015025148865383434975
-14581461-14551020320583767014689262459837329983234757492356072395126701

A156222 as a square array

-2-6-18-54-162-486-1458
921571654891461
-15-51-159-483-1455
3751131339910203
4666413980150252058376701
14886538343497546892624598373299
83234757492356072395126701
-2-6-18-54-162-486-1458
921571654891461
-15-51-159-483-1455
3751131339910203
4666413980150252058376701
14886538343497546892624598373299
83234757492356072395126701