A274292 - OEIS

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A274292 as a triangular array

											1
										1		2
									1		4		6
								1		8		14		20
							1		16		30		50		70
						1		32		62		112		182		252
					1		64		126		238		420		672		924
				1		128		254		492		912		1584		2508		3432
			1		256		510		1002		1914		3498		6006		9438		12870
		1		512		1022		2024		3938		7436		13442		22880		35750		48620
	1		1024		2046		4070		8008		15444		28886		51766		87516		136136		184756

A274292 as a square array

1	1	1	1	1	1	1	1	1	1	1
2	4	8	16	32	64	128	256	512	1024
6	14	30	62	126	254	510	1022	2046
20	50	112	238	492	1002	2024	4070
70	182	420	912	1914	3938	8008
252	672	1584	3498	7436	15444
924	2508	6006	13442	28886
3432	9438	22880	51766
12870	35750	87516
48620	136136
184756

A274292 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	2	4	8	16	32	64	128	256	512	1024
		6	14	30	62	126	254	510	1022	2046
			20	50	112	238	492	1002	2024	4070
				70	182	420	912	1914	3938	8008
					252	672	1584	3498	7436	15444
						924	2508	6006	13442	28886
							3432	9438	22880	51766
								12870	35750	87516
									48620	136136
										184756