A286880 - OEIS

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A286880 as a triangular array

												1
											2		1
										2		3		1
									2		4		5		1
								2		5		10		9		1
							4		6		17		28		17		1
						2		12		26		65		82		33		1
					2		8		50		126		257		244		65		1
				2		9		50		252		626		1025		730		129		1
			4		10		65		344		1394		3126		4097		2188		257		1
		2		18		82		513		2402		8052		15626		16385		6562		513		1
	4		12		130		730		4097		16808		47450		78126		65537		19684		1025		1

A286880 as a square array

1	2	2	2	2	4	2	2	2	4	2	4
1	3	4	5	6	12	8	9	10	18	12
1	5	10	17	26	50	50	65	82	130
1	9	28	65	126	252	344	513	730
1	17	82	257	626	1394	2402	4097
1	33	244	1025	3126	8052	16808
1	65	730	4097	15626	47450
1	129	2188	16385	78126
1	257	6562	65537
1	513	19684
1	1025
1

A286880 as an upper right triangle

1	2	2	2	2	4	2	2	2	4	2	4
	1	3	4	5	6	12	8	9	10	18	12
		1	5	10	17	26	50	50	65	82	130
			1	9	28	65	126	252	344	513	730
				1	17	82	257	626	1394	2402	4097
					1	33	244	1025	3126	8052	16808
						1	65	730	4097	15626	47450
							1	129	2188	16385	78126
								1	257	6562	65537
									1	513	19684
										1	1025
											1