A127625 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A127625 as a triangular array

											1
										1		2
									1		4		1
								1		6		3		3
							1		8		6		12		1
						1		10		10		30		5		2
					1		12		15		60		15		12		1
				1		14		21		105		35		42		7		4
			1		16		28		168		70		112		28		32		1
		1		18		36		252		126		252		84		144		9		2
	1		20		45		360		210		504		210		480		45		20		1

A127625 as a square array

1	1	1	1	1	1	1	1	1	1	1
2	4	6	8	10	12	14	16	18	20
1	3	6	10	15	21	28	36	45
3	12	30	60	105	168	252	360
1	5	15	35	70	126	210
2	12	42	112	252	504
1	7	28	84	210
4	32	144	480
1	9	45
2	20
1

A127625 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	2	4	6	8	10	12	14	16	18	20
		1	3	6	10	15	21	28	36	45
			3	12	30	60	105	168	252	360
				1	5	15	35	70	126	210
					2	12	42	112	252	504
						1	7	28	84	210
							4	32	144	480
								1	9	45
									2	20
										1