A209558 - OEIS

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A209558 as a triangular array

											1
										2		2
									2		5		4
								3		7		11		8
							3		13		21		23		16
						4		15		44		57		47		32
					4		24		60		129		145		95		64
				5		26		108		207		346		353		191		128
			5		38		130		405		646		875		833		383		256
		6		40		212		545		1345		1877		2124		1921		767		512
	6		55		240		965		2021

A209558 as a square array

1	2	2	3	3	4	4	5	5	6	6
2	5	7	13	15	24	26	38	40	55
4	11	21	44	60	108	130	212	240
8	23	57	129	207	405	545	965
16	47	145	346	646	1345	2021
32	95	353	875	1877
64	191	833	2124
128	383	1921
256	767
512

A209558 as an upper right triangle

1	2	2	3	3	4	4	5	5	6	6
	2	5	7	13	15	24	26	38	40	55
		4	11	21	44	60	108	130	212	240
			8	23	57	129	207	405	545	965
				16	47	145	346	646	1345	2021
					32	95	353	875	1877
						64	191	833	2124
							128	383	1921
								256	767
									512