A259477 - OEIS

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A259477 as a triangular array

											1
										2		1
									6		6		1
								12		18		8		1
							20		40		30		10		1
						30		75		80		45		12		1
					42		126		175		140		63		14		1
				56		196		336		350		224		84		16		1
			72		288		588		756		630		336		108		18		1
		90		405		960		1470		1512		1050		480		135		20		1
	110		550		1485		2640		3234		2772		1650		660		165		22		1

A259477 as a square array

1	2	6	12	20	30	42	56	72	90	110
1	6	18	40	75	126	196	288	405	550
1	8	30	80	175	336	588	960	1485
1	10	45	140	350	756	1470	2640
1	12	63	224	630	1512	3234
1	14	84	336	1050	2772
1	16	108	480	1650
1	18	135	660
1	20	165
1	22
1

A259477 as an upper right triangle

1	2	6	12	20	30	42	56	72	90	110
	1	6	18	40	75	126	196	288	405	550
		1	8	30	80	175	336	588	960	1485
			1	10	45	140	350	756	1470	2640
				1	12	63	224	630	1512	3234
					1	14	84	336	1050	2772
						1	16	108	480	1650
							1	18	135	660
								1	20	165
									1	22
										1