A286784 - OEIS

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A286784 as a triangular array

											1
										1		1
									2		4		1
								5		15		9		1
							14		56		56		16		1
						42		210		300		150		25		1
					132		792		1485		1100		330		36		1
				429		3003		7007		7007		3185		637		49		1
			1430		11440		32032		40768		25480		7840		1120		64		1
		4862		43758		143208		222768		179928		77112		17136		1836		81		1
	16796		167960		629850		1162800		1162800		651168		203490		34200		2850		100		1

A286784 as a square array

1	1	2	5	14	42	132	429	1430	4862	16796
1	4	15	56	210	792	3003	11440	43758	167960
1	9	56	300	1485	7007	32032	143208	629850
1	16	150	1100	7007	40768	222768	1162800
1	25	330	3185	25480	179928	1162800
1	36	637	7840	77112	651168
1	49	1120	17136	203490
1	64	1836	34200
1	81	2850
1	100
1

A286784 as an upper right triangle

1	1	2	5	14	42	132	429	1430	4862	16796
	1	4	15	56	210	792	3003	11440	43758	167960
		1	9	56	300	1485	7007	32032	143208	629850
			1	16	150	1100	7007	40768	222768	1162800
				1	25	330	3185	25480	179928	1162800
					1	36	637	7840	77112	651168
						1	49	1120	17136	203490
							1	64	1836	34200
								1	81	2850
									1	100
										1