A326404 - OEIS

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A326404 as a triangular array

											1
										0		1
									0		0		1
								0		0		0		2
							0		0		4		0		2
						2		0		10		10		0		2
					6		24		30		40		18		0		2
				46		140		224		182		98		28		0		2
			354		1088		1480		1280		604		192		40		0		2
		3106		9000		12006		9450		4878		1494		330		54		0		2
	29926		83480		107170		82840		41620		14152		3100		520		70		0		2

A326404 as a square array

1	0	0	0	0	2	6	46	354	3106	29926
1	0	0	0	0	24	140	1088	9000	83480
1	0	4	10	30	224	1480	12006	107170
2	0	10	40	182	1280	9450	82840
2	0	18	98	604	4878	41620
2	0	28	192	1494	14152
2	0	40	330	3100
2	0	54	520
2	0	70
2	0
2

A326404 as an upper right triangle

1	0	0	0	0	2	6	46	354	3106	29926
	1	0	0	0	0	24	140	1088	9000	83480
		1	0	4	10	30	224	1480	12006	107170
			2	0	10	40	182	1280	9450	82840
				2	0	18	98	604	4878	41620
					2	0	28	192	1494	14152
						2	0	40	330	3100
							2	0	54	520
								2	0	70
									2	0
										2