A089504 - OEIS

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A089504 as a triangular array

									1
								6		1
							36		30		1
						216		756		90		1
					1296		18360		6156		210		1
				7776		441936		387720		31356		420		1
			46656		10614240		23705136		4150440		119556		756		1
		279936		254788416		1432922400		521757936		29257200		373572		1260		1
	1679616

A089504 as a square array

1	6	36	216	1296	7776	46656	279936	1679616
1	30	756	18360	441936	10614240	254788416
1	90	6156	387720	23705136	1432922400
1	210	31356	4150440	521757936
1	420	119556	29257200
1	756	373572
1	1260
1

A089504 as an upper right triangle

1	6	36	216	1296	7776	46656	279936	1679616
	1	30	756	18360	441936	10614240	254788416
		1	90	6156	387720	23705136	1432922400
			1	210	31356	4150440	521757936
				1	420	119556	29257200
					1	756	373572
						1	1260
							1