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A203984 as a triangular array

6
2424
9614496
384864864384
15365184777651841536
6144311046998469984311046144
2457618662462985695644862985618662424576
983041119744566870413071456130714565668704111974498304
393216

A203984 as a square array

62496384153661442457698304393216
241448645184311041866241119744
968647776699846298565668704
38451846998495644813071456
15363110462985613071456
61441866245668704
245761119744
98304
62496384153661442457698304393216
241448645184311041866241119744
968647776699846298565668704
38451846998495644813071456
15363110462985613071456
61441866245668704
245761119744
98304