A219875 - OEIS

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A219875 as a triangular array

2

4 4

5 8 5

7 10 10 7

9 14 13 14 9

10 18 18 18 18 10

12 20 23 25 23 20 12

13 24 26 32 32 26 24 13

15 26 31 36 41 36 31 26 15

17 30 34 43 46 46 43 34 30 17

18 34 39 47 55 52 55 47 39 34 18

A219875 as a square array

`2`	`4`	`5`	`7`	`9`	`10`	`12`	`13`	`15`	`17`	`18`
`4`	`8`	`10`	`14`	`18`	`20`	`24`	`26`	`30`	`34`
`5`	`10`	`13`	`18`	`23`	`26`	`31`	`34`	`39`
`7`	`14`	`18`	`25`	`32`	`36`	`43`	`47`
`9`	`18`	`23`	`32`	`41`	`46`	`55`
`10`	`20`	`26`	`36`	`46`	`52`
`12`	`24`	`31`	`43`	`55`
`13`	`26`	`34`	`47`
`15`	`30`	`39`
`17`	`34`
`18`

A219875 as an upper right triangle

`2`	`4`	`5`	`7`	`9`	`10`	`12`	`13`	`15`	`17`	`18`
	`4`	`8`	`10`	`14`	`18`	`20`	`24`	`26`	`30`	`34`
		`5`	`10`	`13`	`18`	`23`	`26`	`31`	`34`	`39`
			`7`	`14`	`18`	`25`	`32`	`36`	`43`	`47`
				`9`	`18`	`23`	`32`	`41`	`46`	`55`
					`10`	`20`	`26`	`36`	`46`	`52`
						`12`	`24`	`31`	`43`	`55`
							`13`	`26`	`34`	`47`
								`15`	`30`	`39`
									`17`	`34`
										`18`

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Last modified May 30 08:26 EDT 2024. Contains 372962 sequences. (Running on oeis4.)