A129258 - OEIS

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A129258 as a triangular array

1

2 3

4 6 5

7 12 10 8

9 21 20 16 11

13 27 35 32 22 17

15 39 45 56 44 28 17

18 45 65 72 77 56 34 19

23 54 75 104 99 98 68 38 24

25 69 90 120 143 126 119 76 48 26

29 75 115 144 165 182 153 133 96 52 30

31 87 125

A129258 as a square array

`1`	`2`	`4`	`7`	`9`	`13`	`15`	`18`	`23`	`25`	`29`	`31`
`3`	`6`	`12`	`21`	`27`	`39`	`45`	`54`	`69`	`75`	`87`
`5`	`10`	`20`	`35`	`45`	`65`	`75`	`90`	`115`	`125`
`8`	`16`	`32`	`56`	`72`	`104`	`120`	`144`
`11`	`22`	`44`	`77`	`99`	`143`	`165`
`17`	`28`	`56`	`98`	`126`	`182`
`17`	`34`	`68`	`119`	`153`
`19`	`38`	`76`	`133`
`24`	`48`	`96`
`26`	`52`
`30`

A129258 as an upper right triangle

`1`	`2`	`4`	`7`	`9`	`13`	`15`	`18`	`23`	`25`	`29`	`31`
	`3`	`6`	`12`	`21`	`27`	`39`	`45`	`54`	`69`	`75`	`87`
		`5`	`10`	`20`	`35`	`45`	`65`	`75`	`90`	`115`	`125`
			`8`	`16`	`32`	`56`	`72`	`104`	`120`	`144`
				`11`	`22`	`44`	`77`	`99`	`143`	`165`
					`17`	`28`	`56`	`98`	`126`	`182`
						`17`	`34`	`68`	`119`	`153`
							`19`	`38`	`76`	`133`
								`24`	`48`	`96`
									`26`	`52`
										`30`

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Last modified May 23 01:22 EDT 2013. Contains 225585 sequences.