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A294687 as a triangular array

0
00
030092680
015750137941508221452750
245103121686135376449523679816211696087875731720
30013794450193054017440242500393817805030852000867277668428403564024914127655401650
2400343501500216643575353201317601563731383350829851596538540199283525411356249329837891442095560

A294687 as a square array

0000243002400
03001575051031213794450343501500
9268013794150168613537619305401744021664357535320
8221452750449523679816224250039381780501317601563731383350
116960878757317203085200086727766842882985159653854019928352
4035640249141276554016505411356249329837891442095560
0000243002400
03001575051031213794450343501500
9268013794150168613537619305401744021664357535320
8221452750449523679816224250039381780501317601563731383350
116960878757317203085200086727766842882985159653854019928352
4035640249141276554016505411356249329837891442095560