A250485 - OEIS

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A250485 as a triangular array

										1
									1		2
								1		6		4
							1		14		22		8
						1		30		86		64		16
					1		62		294		346		168		32
				1		126		938		1594		1140		416		64
			1		254		2874		6746		6422		3376		992		128
		1		510		8586		27098		32758		22192		9344		2304		256
	1		1022		25234		105090		157326		129914		69840		24672		5248		512

A250485 as a square array

1	1	1	1	1	1	1	1	1	1
2	6	14	30	62	126	254	510	1022
4	22	86	294	938	2874	8586	25234
8	64	346	1594	6746	27098	105090
16	168	1140	6422	32758	157326
32	416	3376	22192	129914
64	992	9344	69840
128	2304	24672
256	5248
512

A250485 as an upper right triangle

1	1	1	1	1	1	1	1	1	1
	2	6	14	30	62	126	254	510	1022
		4	22	86	294	938	2874	8586	25234
			8	64	346	1594	6746	27098	105090
				16	168	1140	6422	32758	157326
					32	416	3376	22192	129914
						64	992	9344	69840
							128	2304	24672
								256	5248
									512