A181930 - OEIS

login

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

A181930 as a triangular array

1

0 1

0 1 1

0 0 2 1

0 4 4 3 1

0 0 0 4 5 1

0 16 20 12 6 5 1

0 0 0 48 20 26 10 1

0 0 96 40 52 44 36 11 1

0 0 0 72 48 66 34 22 9 1

0 576 720 392 384 188 154 70 26 9 1

0 0 0 0 0 480 848 560

A181930 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`0`	`4`	`0`	`16`	`0`	`0`	`0`	`576`	`0`
`1`	`2`	`4`	`0`	`20`	`0`	`96`	`0`	`720`	`0`
`1`	`3`	`4`	`12`	`48`	`40`	`72`	`392`	`0`
`1`	`5`	`6`	`20`	`52`	`48`	`384`	`0`
`1`	`5`	`26`	`44`	`66`	`188`	`480`
`1`	`10`	`36`	`34`	`154`	`848`
`1`	`11`	`22`	`70`	`560`
`1`	`9`	`26`
`1`	`9`
`1`

A181930 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`0`	`4`	`0`	`16`	`0`	`0`	`0`	`576`	`0`
		`1`	`2`	`4`	`0`	`20`	`0`	`96`	`0`	`720`	`0`
			`1`	`3`	`4`	`12`	`48`	`40`	`72`	`392`	`0`
				`1`	`5`	`6`	`20`	`52`	`48`	`384`	`0`
					`1`	`5`	`26`	`44`	`66`	`188`	`480`
						`1`	`10`	`36`	`34`	`154`	`848`
							`1`	`11`	`22`	`70`	`560`
								`1`	`9`	`26`
									`1`	`9`
										`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 April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)