A155863 - OEIS

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A155863 as a triangular array

											1
										1		1
									1		6		1
								1		24		24		1
							1		60		120		60		1
						1		120		360		360		120		1
					1		210		840		1260		840		210		1
				1		336		1680		3360		3360		1680		336		1
			1		504		3024		7560		10080		7560		3024		504		1
		1		720		5040		15120		25200		25200		15120		5040		720		1
	1		990		7920		27720		55440		69300		55440		27720		7920		990		1

A155863 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	6	24	60	120	210	336	504	720	990
1	24	120	360	840	1680	3024	5040	7920
1	60	360	1260	3360	7560	15120	27720
1	120	840	3360	10080	25200	55440
1	210	1680	7560	25200	69300
1	336	3024	15120	55440
1	504	5040	27720
1	720	7920
1	990
1

A155863 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	6	24	60	120	210	336	504	720	990
		1	24	120	360	840	1680	3024	5040	7920
			1	60	360	1260	3360	7560	15120	27720
				1	120	840	3360	10080	25200	55440
					1	210	1680	7560	25200	69300
						1	336	3024	15120	55440
							1	504	5040	27720
								1	720	7920
									1	990
										1