A126890 - OEIS

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A126890 as a triangular array

0

1 2

3 5 7

6 9 12 15

10 14 18 22 26

15 20 25 30 35 40

21 27 33 39 45 51 57

28 35 42 49 56 63 70 77

36 44 52 60 68 76 84 92 100

45 54 63 72 81 90 99 108 117 126

55 65 75 85 95 105 115 125 135 145 155

66 77 88

A126890 as a square array

`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`
`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`	`65`	`77`
`7`	`12`	`18`	`25`	`33`	`42`	`52`	`63`	`75`	`88`
`15`	`22`	`30`	`39`	`49`	`60`	`72`	`85`
`26`	`35`	`45`	`56`	`68`	`81`	`95`
`40`	`51`	`63`	`76`	`90`	`105`
`57`	`70`	`84`	`99`	`115`
`77`	`92`	`108`	`125`
`100`	`117`	`135`
`126`	`145`
`155`

A126890 as an upper right triangle

`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`
	`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`	`65`	`77`
		`7`	`12`	`18`	`25`	`33`	`42`	`52`	`63`	`75`	`88`
			`15`	`22`	`30`	`39`	`49`	`60`	`72`	`85`
				`26`	`35`	`45`	`56`	`68`	`81`	`95`
					`40`	`51`	`63`	`76`	`90`	`105`
						`57`	`70`	`84`	`99`	`115`
							`77`	`92`	`108`	`125`
								`100`	`117`	`135`
									`126`	`145`
										`155`

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)