A143269 - OEIS

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A143269 as a triangular array

1

2 2

3 3 6

4 4 8 8

5 5 10 10 20

6 6 12 12 24 12

7 7 14 14 28 14 42

8 8 16 16 32 16 48 32

9 9 18 18 36 18 54 36 54

10 10 20 20 40 20 60 40 60 40

11 11 22 22 44 22 66 44 66 44 110

A143269 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`	`22`
`8`	`10`	`12`	`14`	`16`	`18`	`20`	`22`
`20`	`24`	`28`	`32`	`36`	`40`	`44`
`12`	`14`	`16`	`18`	`20`	`22`
`42`	`48`	`54`	`60`	`66`
`32`	`36`	`40`	`44`
`54`	`60`	`66`
`40`	`44`
`110`

A143269 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
		`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`	`22`
			`8`	`10`	`12`	`14`	`16`	`18`	`20`	`22`
				`20`	`24`	`28`	`32`	`36`	`40`	`44`
					`12`	`14`	`16`	`18`	`20`	`22`
						`42`	`48`	`54`	`60`	`66`
							`32`	`36`	`40`	`44`
								`54`	`60`	`66`
									`40`	`44`
										`110`

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)