A300280 - OEIS

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A300280 as a triangular array

													1
												0		1
											0		3		1
										0		5		10		1
									0		7		57		21		1
								0		9		252		246		36		1
							0		11		969		2158		710		55		1
						0		13		3414		15927		10260		1635		78		1
					0		15		11329		104883		122125		35085		3255		105		1
				0		17		35992		637252		1273192		611130		96992		5852		136		1
			0		19		110625		3647268		12057412		9199386		2321004		230972		9756		171		1
		0		21		331298		19935477		106181320		124315310		47518716		7261394		492408		15345		210		1
	0		23		971609		105054633		883422885		1546241270		865414802		193797618		19669302		963795		23045		253		1

A300280 as a square array

1	0	0	0	0	0	0	0	0	0	0	0	0
1	3	5	7	9	11	13	15	17	19	21	23
1	10	57	252	969	3414	11329	35992	110625	331298	971609
1	21	246	2158	15927	104883	637252	3647268	19935477	105054633
1	36	710	10260	122125	1273192	12057412	106181320	883422885
1	55	1635	35085	611130	9199386	124315310	1546241270
1	78	3255	96992	2321004	47518716	865414802
1	105	5852	230972	7261394	193797618
1	136	9756	492408	19669302
1	171	15345	963795
1	210	23045
1	253
1

A300280 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0	0	0
	1	3	5	7	9	11	13	15	17	19	21	23
		1	10	57	252	969	3414	11329	35992	110625	331298	971609
			1	21	246	2158	15927	104883	637252	3647268	19935477	105054633
				1	36	710	10260	122125	1273192	12057412	106181320	883422885
					1	55	1635	35085	611130	9199386	124315310	1546241270
						1	78	3255	96992	2321004	47518716	865414802
							1	105	5852	230972	7261394	193797618
								1	136	9756	492408	19669302
									1	171	15345	963795
										1	210	23045
											1	253
												1