A294498 - OEIS

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A294498 as a triangular array

											1
										1		0
									1		1		0
								1		2		2		0
							1		3		6		5		0
						1		4		12		22		14		0
					1		5		20		57		92		42		0
				1		6		30		116		306		424		132		0
			1		7		42		205		752		1806		2108		429		0
		1		8		56		330		1550		5328		11508		11134		1430		0
	1		9		72		497		2844		12730		40632		78147		61748		4862		0

A294498 as a square array

1	1	1	1	1	1	1	1	1	1	1
0	1	2	3	4	5	6	7	8	9
0	2	6	12	20	30	42	56	72
0	5	22	57	116	205	330	497
0	14	92	306	752	1550	2844
0	42	424	1806	5328	12730
0	132	2108	11508	40632
0	429	11134	78147
0	1430	61748
0	4862
0

A294498 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	0	1	2	3	4	5	6	7	8	9
		0	2	6	12	20	30	42	56	72
			0	5	22	57	116	205	330	497
				0	14	92	306	752	1550	2844
					0	42	424	1806	5328	12730
						0	132	2108	11508	40632
							0	429	11134	78147
								0	1430	61748
									0	4862
										0