A122872 - OEIS

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A122872 as a triangular array

1

2 2

3 4 3

4 5 6 4

5 8 7 8 5

6 9 12 9 10 6

7 10 13 16 11 12 7

8 11 14 17 20 13 14 8

9 16 15 18 21 24 15 16 9

10 17 24 19 22 25 28 17 18 10

11 18 25 32 23 26 29 32 19 20 11

12 19 26 33 40 27 30 33 36 21 22 12

A122872 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
`2`	`4`	`5`	`8`	`9`	`10`	`11`	`16`	`17`	`18`	`19`
`3`	`6`	`7`	`12`	`13`	`14`	`15`	`24`	`25`	`26`
`4`	`8`	`9`	`16`	`17`	`18`	`19`	`32`	`33`
`5`	`10`	`11`	`20`	`21`	`22`	`23`	`40`
`6`	`12`	`13`	`24`	`25`	`26`	`27`
`7`	`14`	`15`	`28`	`29`	`30`
`8`	`16`	`17`	`32`	`33`
`9`	`18`	`19`	`36`
`10`	`20`	`21`
`11`	`22`
`12`

A122872 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
	`2`	`4`	`5`	`8`	`9`	`10`	`11`	`16`	`17`	`18`	`19`
		`3`	`6`	`7`	`12`	`13`	`14`	`15`	`24`	`25`	`26`
			`4`	`8`	`9`	`16`	`17`	`18`	`19`	`32`	`33`
				`5`	`10`	`11`	`20`	`21`	`22`	`23`	`40`
					`6`	`12`	`13`	`24`	`25`	`26`	`27`
						`7`	`14`	`15`	`28`	`29`	`30`
							`8`	`16`	`17`	`32`	`33`
								`9`	`18`	`19`	`36`
									`10`	`20`	`21`
										`11`	`22`
											`12`

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)