A321254 - OEIS

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A321254 as a triangular array

										1
									3		0
								6		0		0
							16		1		0		0
						37		3		0		0		0
					105		18		2		0		0		0
				279		68		7		0		0		0		0
			817		293		46		3		0		0		0		0
		2387		1141		228		17		1		0		0		0		0
	7269		4511		1189		135		9		0		0		0		0		0

A321254 as a square array

1	3	6	16	37	105	279	817	2387	7269
0	0	1	3	18	68	293	1141	4511
0	0	0	2	7	46	228	1189
0	0	0	0	3	17	135
0	0	0	0	1	9
0	0	0	0	0
0	0	0	0
0	0	0
0	0
0

A321254 as an upper right triangle

1	3	6	16	37	105	279	817	2387	7269
	0	0	1	3	18	68	293	1141	4511
		0	0	0	2	7	46	228	1189
			0	0	0	0	3	17	135
				0	0	0	0	1	9
					0	0	0	0	0
						0	0	0	0
							0	0	0
								0	0
									0