A120986 - OEIS

login

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

A120986 as a triangular array

1

2 1

5 6 1

14 28 12 1

42 120 90 20 1

132 495 550 220 30 1

429 2002 3003 1820 455 42 1

1430 8008 15288 12740 4900 840 56 1

4862 31824 74256 79968 42840 11424 1428 72 1

16796 125970 348840 465120 325584

A120986 as a square array

`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
`1`	`6`	`28`	`120`	`495`	`2002`	`8008`	`31824`	`125970`
`1`	`12`	`90`	`550`	`3003`	`15288`	`74256`	`348840`
`1`	`20`	`220`	`1820`	`12740`	`79968`	`465120`
`1`	`30`	`455`	`4900`	`42840`	`325584`
`1`	`42`	`840`	`11424`
`1`	`56`	`1428`
`1`	`72`
`1`

A120986 as an upper right triangle

`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
	`1`	`6`	`28`	`120`	`495`	`2002`	`8008`	`31824`	`125970`
		`1`	`12`	`90`	`550`	`3003`	`15288`	`74256`	`348840`
			`1`	`20`	`220`	`1820`	`12740`	`79968`	`465120`
				`1`	`30`	`455`	`4900`	`42840`	`325584`
					`1`	`42`	`840`	`11424`
						`1`	`56`	`1428`
							`1`	`72`
								`1`

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 11 23:45 EDT 2024. Contains 375082 sequences. (Running on oeis4.)