A144209 - OEIS

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

A144209 as a triangular array

											1
										1		0
									1		0		0
								1		0		0		0
							1		0		0		0		3
						1		0		0		0		15		60
					1		0		0		0		45		360		1080
				1		0		0		0		105		1260		7560		20580
			1		0		0		0		210		3360		30240		164640		430080
		1		0		0		0		378		7560		90720		740880		3873240		9920232
	1		0		0		0		630		15120		226800		2469600		19367460		99406440		252000000

A144209 as a square array

1	1	1	1	1	1	1	1	1	1	1
0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0
3	15	45	105	210	378	630
60	360	1260	3360	7560	15120
1080	7560	30240	90720	226800
20580	164640	740880	2469600
430080	3873240	19367460
9920232	99406440
252000000

A144209 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	0	0	0	0	0	0	0	0	0	0
		0	0	0	0	0	0	0	0	0
			0	0	0	0	0	0	0	0
				3	15	45	105	210	378	630
					60	360	1260	3360	7560	15120
						1080	7560	30240	90720	226800
							20580	164640	740880	2469600
								430080	3873240	19367460
									9920232	99406440
										252000000