A246049 - OEIS

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A246049 as a triangular array

									1
								0		1
							0		3		1
						0		19		6		2
					0		175		51		24		6
				0		2101		580		300		120		24
			0		31031		8265		4360		2160		720		120
		0		543607		141246		74130		41160		17640		5040		720
	0		11012415		2810437		1456224		861420		430080		161280		40320		5040

A246049 as a square array

1	0	0	0	0	0	0	0	0
1	3	19	175	2101	31031	543607	11012415
1	6	51	580	8265	141246	2810437
2	24	300	4360	74130	1456224
6	120	2160	41160	861420
24	720	17640	430080
120	5040	161280
720	40320
5040

A246049 as an upper right triangle

1	0	0	0	0	0	0	0	0
	1	3	19	175	2101	31031	543607	11012415
		1	6	51	580	8265	141246	2810437
			2	24	300	4360	74130	1456224
				6	120	2160	41160	861420
					24	720	17640	430080
						120	5040	161280
							720	40320
								5040