A335461 - OEIS

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A335461 as a triangular array

										1
									0		1
								0		1		2
							0		1		4		8
						0		1		6		24		44
					0		1		8		48		176		308
				0		1		10		80		440		1540		2612
			0		1		12		120		880		4620		15672		25988
		0		1		14		168		1540		10780		54852		181916		296564
	0		1		16		224		2464		21560		146272		727664		2372512		3816548

A335461 as a square array

1	0	0	0	0	0	0	0	0	0
1	1	1	1	1	1	1	1	1
2	4	6	8	10	12	14	16
8	24	48	80	120	168	224
44	176	440	880	1540	2464
308	1540	4620	10780	21560
2612	15672	54852	146272
25988	181916	727664
296564	2372512
3816548

A335461 as an upper right triangle

1	0	0	0	0	0	0	0	0	0
	1	1	1	1	1	1	1	1	1
		2	4	6	8	10	12	14	16
			8	24	48	80	120	168	224
				44	176	440	880	1540	2464
					308	1540	4620	10780	21560
						2612	15672	54852	146272
							25988	181916	727664
								296564	2372512
									3816548