A262240 - OEIS

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A262240 as a triangular array

										2
									3		3
								6		5		6
							12		13		13		12
						24		31		60		31		24
					47		85		238		238		85		47
				94		223		1148		1306		1148		223		94
			187		669		5057		10747		10747		5057		669		187
		373		1733		26546		77490		164087		77490		26546		1733		373
	745		4805		110661		778464		2091976

A262240 as a square array

2	3	6	12	24	47	94	187	373	745
3	5	13	31	85	223	669	1733	4805
6	13	60	238	1148	5057	26546	110661
12	31	238	1306	10747	77490	778464
24	85	1148	10747	164087	2091976
47	223	5057	77490
94	669	26546
187	1733
373

A262240 as an upper right triangle

2	3	6	12	24	47	94	187	373	745
	3	5	13	31	85	223	669	1733	4805
		6	13	60	238	1148	5057	26546	110661
			12	31	238	1306	10747	77490	778464
				24	85	1148	10747	164087	2091976
					47	223	5057	77490
						94	669	26546
							187	1733
								373