A281269 - OEIS

The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.

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

A281269 as a triangular array

1

0 3

0 3 4

0 0 30 5

0 0 15 150 6

0 0 0 315 525 7

0 0 0 105 3360 1568 8

0 0 0 0 3780 24570 4284 9

0 0 0 0 945 69300 142380 11070 10

0 0 0 0 0 51975 866250 713790 27555 11

0 0 0 0 0 10395 1455300 8399160 3250500 66792 12

A281269 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`3`	`3`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`4`	`30`	`15`	`0`	`0`	`0`	`0`	`0`	`0`
`5`	`150`	`315`	`105`	`0`	`0`	`0`	`0`
`6`	`525`	`3360`	`3780`	`945`	`0`	`0`
`7`	`1568`	`24570`	`69300`	`51975`	`10395`
`8`	`4284`	`142380`	`866250`	`1455300`
`9`	`11070`	`713790`	`8399160`
`10`	`27555`	`3250500`
`11`	`66792`
`12`

A281269 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`3`	`3`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`4`	`30`	`15`	`0`	`0`	`0`	`0`	`0`	`0`
			`5`	`150`	`315`	`105`	`0`	`0`	`0`	`0`
				`6`	`525`	`3360`	`3780`	`945`	`0`	`0`
					`7`	`1568`	`24570`	`69300`	`51975`	`10395`
						`8`	`4284`	`142380`	`866250`	`1455300`
							`9`	`11070`	`713790`	`8399160`
								`10`	`27555`	`3250500`
									`11`	`66792`
										`12`

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 3 00:27 EDT 2024. Contains 373054 sequences. (Running on oeis4.)