A231515 - OEIS

login

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

A231515 as a triangular array

2

2 2

4 6 4

7 14 14 7

12 35 78 35 12

21 90 343 343 90 21

37 225 1537 2594 1537 225 37

65 569 7505 19435 19435 7505 569 65

114 1441 35872 158061 256846 158061 35872 1441 114

200 3640 168887 1275558 3691558

A231515 as a square array

`2`	`2`	`4`	`7`	`12`	`21`	`37`	`65`	`114`	`200`
`2`	`6`	`14`	`35`	`90`	`225`	`569`	`1441`	`3640`
`4`	`14`	`78`	`343`	`1537`	`7505`	`35872`	`168887`
`7`	`35`	`343`	`2594`	`19435`	`158061`	`1275558`
`12`	`90`	`1537`	`19435`	`256846`	`3691558`
`21`	`225`	`7505`	`158061`
`37`	`569`	`35872`
`65`	`1441`
`114`

A231515 as an upper right triangle

`2`	`2`	`4`	`7`	`12`	`21`	`37`	`65`	`114`	`200`
	`2`	`6`	`14`	`35`	`90`	`225`	`569`	`1441`	`3640`
		`4`	`14`	`78`	`343`	`1537`	`7505`	`35872`	`168887`
			`7`	`35`	`343`	`2594`	`19435`	`158061`	`1275558`
				`12`	`90`	`1537`	`19435`	`256846`	`3691558`
					`21`	`225`	`7505`	`158061`
						`37`	`569`	`35872`
							`65`	`1441`
								`114`

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 13:41 EDT 2024. Contains 371957 sequences. (Running on oeis4.)