A240321 - OEIS

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A240321 as a triangular array

									2
								2		2
							4		4		4
						4		18		18		4
					8		44		172		44		8
				8		184		866		866		184		8
			16		444		7326		8456		7326		444		16
		16		1826		35042		143682		143682		35042		1826		16
	32		4388		291982		1352558		4934092		1352558		291982		4388		32
32		18022		1387224		22643786

A240321 as a square array

2	2	4	4	8	8	16	16	32	32
2	4	18	44	184	444	1826	4388	18022
4	18	172	866	7326	35042	291982	1387224
4	44	866	8456	143682	1352558	22643786
8	184	7326	143682	4934092
8	444	35042	1352558
16	1826	291982
16	4388
32

A240321 as an upper right triangle

2	2	4	4	8	8	16	16	32	32
	2	4	18	44	184	444	1826	4388	18022
		4	18	172	866	7326	35042	291982	1387224
			4	44	866	8456	143682	1352558	22643786
				8	184	7326	143682	4934092
					8	444	35042	1352558
						16	1826	291982
							16	4388
								32