A135230 - OEIS

login

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

A135230 as a triangular array

1

1 1

2 1 1

1 2 2 1

2 2 4 3 1

1 3 6 7 4 1

2 3 9 13 11 5 1

1 4 12 22 24 16 6 1

2 4 16 34 46 40 22 7 1

1 5 20 50 80 86 62 29 8 1

2 5 25 70 130 166 148 91 37 9 1

1 6 30 95 200 296 314 239 128 46 10 1

A135230 as a square array

`1`	`1`	`2`	`1`	`2`	`1`	`2`	`1`	`2`	`1`	`2`	`1`
`1`	`1`	`2`	`2`	`3`	`3`	`4`	`4`	`5`	`5`	`6`
`1`	`2`	`4`	`6`	`9`	`12`	`16`	`20`	`25`	`30`
`1`	`3`	`7`	`13`	`22`	`34`	`50`	`70`	`95`
`1`	`4`	`11`	`24`	`46`	`80`	`130`	`200`
`1`	`5`	`16`	`40`	`86`	`166`	`296`
`1`	`6`	`22`	`62`	`148`	`314`
`1`	`7`	`29`	`91`	`239`
`1`	`8`	`37`	`128`
`1`	`9`	`46`
`1`	`10`
`1`

A135230 as an upper right triangle

`1`	`1`	`2`	`1`	`2`	`1`	`2`	`1`	`2`	`1`	`2`	`1`
	`1`	`1`	`2`	`2`	`3`	`3`	`4`	`4`	`5`	`5`	`6`
		`1`	`2`	`4`	`6`	`9`	`12`	`16`	`20`	`25`	`30`
			`1`	`3`	`7`	`13`	`22`	`34`	`50`	`70`	`95`
				`1`	`4`	`11`	`24`	`46`	`80`	`130`	`200`
					`1`	`5`	`16`	`40`	`86`	`166`	`296`
						`1`	`6`	`22`	`62`	`148`	`314`
							`1`	`7`	`29`	`91`	`239`
								`1`	`8`	`37`	`128`
									`1`	`9`	`46`
										`1`	`10`
											`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 10:11 EDT 2024. Contains 371935 sequences. (Running on oeis4.)