A086270 - OEIS

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A086270 as a triangular array

1

3 1

6 4 1

10 9 5 1

15 16 12 6 1

21 25 22 15 7 1

28 36 35 28 18 8 1

36 49 51 45 34 21 9 1

45 64 70 66 55 40 24 10 1

55 81 92 91 81 65 46 27 11 1

66 100 117 120 112 96 75 52 30 12 1

78 121 145 153 148 133 111

A086270 as a square array

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`	`78`
`1`	`4`	`9`	`16`	`25`	`36`	`49`	`64`	`81`	`100`	`121`
`1`	`5`	`12`	`22`	`35`	`51`	`70`	`92`	`117`	`145`
`1`	`6`	`15`	`28`	`45`	`66`	`91`	`120`	`153`
`1`	`7`	`18`	`34`	`55`	`81`	`112`	`148`
`1`	`8`	`21`	`40`	`65`	`96`	`133`
`1`	`9`	`24`	`46`	`75`	`111`
`1`	`10`	`27`	`52`
`1`	`11`	`30`
`1`	`12`
`1`

A086270 as an upper right triangle

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`	`78`
	`1`	`4`	`9`	`16`	`25`	`36`	`49`	`64`	`81`	`100`	`121`
		`1`	`5`	`12`	`22`	`35`	`51`	`70`	`92`	`117`	`145`
			`1`	`6`	`15`	`28`	`45`	`66`	`91`	`120`	`153`
				`1`	`7`	`18`	`34`	`55`	`81`	`112`	`148`
					`1`	`8`	`21`	`40`	`65`	`96`	`133`
						`1`	`9`	`24`	`46`	`75`	`111`
							`1`	`10`	`27`	`52`
								`1`	`11`	`30`
									`1`	`12`
										`1`

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Last modified May 8 05:33 EDT 2024. Contains 372319 sequences. (Running on oeis4.)