A248842 - OEIS

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A248842 as a triangular array

											2
										2		4
									2		6		8
								2		6		22		16
							2		6		24		96		32
						2		6		24		118		482		64
					2		6		24		120		686		2736		128
				2		6		24		120		718		4598		17302		256
			2		6		24		120		720		4994		34872		120576		512
		2		6		24		120		720		5038		39556		295044		917762		1024
	2		6		24		120		720		5040

A248842 as a square array

2	2	2	2	2	2	2	2	2	2	2
4	6	6	6	6	6	6	6	6	6
8	22	24	24	24	24	24	24	24
16	96	118	120	120	120	120	120
32	482	686	718	720	720	720
64	2736	4598	4994	5038	5040
128	17302	34872	39556
256	120576	295044
512	917762
1024

A248842 as an upper right triangle

2	2	2	2	2	2	2	2	2	2	2
	4	6	6	6	6	6	6	6	6	6
		8	22	24	24	24	24	24	24	24
			16	96	118	120	120	120	120	120
				32	482	686	718	720	720	720
					64	2736	4598	4994	5038	5040
						128	17302	34872	39556
							256	120576	295044
								512	917762
									1024