A209168 - OEIS

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A209168 as a triangular array

										1
									2		1
								4		6		3
							7		16		17		7
						12		37		56		47		17
					20		78		154		182		128		41
				33		156		378		574		565		344		99
			54		301		864		1590		1995		1697		915		239
		88		566		1877		4048		6118		6605		4973		2413		577
	143		1044		3927		9693		17073		22128		21093

A209168 as a square array

1	2	4	7	12	20	33	54	88	143
1	6	16	37	78	156	301	566	1044
3	17	56	154	378	864	1877	3927
7	47	182	574	1590	4048	9693
17	128	565	1995	6118	17073
41	344	1697	6605	22128
99	915	4973	21093
239	2413
577

A209168 as an upper right triangle

1	2	4	7	12	20	33	54	88	143
	1	6	16	37	78	156	301	566	1044
		3	17	56	154	378	864	1877	3927
			7	47	182	574	1590	4048	9693
				17	128	565	1995	6118	17073
					41	344	1697	6605	22128
						99	915	4973	21093
							239	2413
								577