A203647 - OEIS

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A203647 as a triangular array

												1
											1		2
										1		2		4
									1		2		5		8
								1		2		5		14		16
							1		2		5		15		41		32
						1		2		5		15		51		122		64
					1		2		5		15		52		187		365		128
				1		2		5		15		52		202		715		1094		256
			1		2		5		15		52		203		855		2795		3281		512
		1		2		5		15		52		203		876		3845		11051		9842		1024
	1		2		5		15		52		203		877

A203647 as a square array

1	1	1	1	1	1	1	1	1	1	1	1
2	2	2	2	2	2	2	2	2	2	2
4	5	5	5	5	5	5	5	5	5
8	14	15	15	15	15	15	15	15
16	41	51	52	52	52	52	52
32	122	187	202	203	203	203
64	365	715	855	876	877
128	1094	2795	3845
256	3281	11051
512	9842
1024

A203647 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1
	2	2	2	2	2	2	2	2	2	2	2
		4	5	5	5	5	5	5	5	5	5
			8	14	15	15	15	15	15	15	15
				16	41	51	52	52	52	52	52
					32	122	187	202	203	203	203
						64	365	715	855	876	877
							128	1094	2795	3845
								256	3281	11051
									512	9842
										1024