A116666 - OEIS

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A116666 as a triangular array

1

1 3

1 6 5

1 9 15 7

1 12 30 28 9

1 15 50 70 45 11

1 18 75 140 135 66 13

1 21 105 245 315 231 91 15

1 24 140 392 630 616 364 120 17

1 27 180 588 1134 1386 1092 540 153 19

1 30 225 840 1890 2772

A116666 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`3`	`6`	`9`	`12`	`15`	`18`	`21`	`24`	`27`	`30`
`5`	`15`	`30`	`50`	`75`	`105`	`140`	`180`	`225`
`7`	`28`	`70`	`140`	`245`	`392`	`588`	`840`
`9`	`45`	`135`	`315`	`630`	`1134`	`1890`
`11`	`66`	`231`	`616`	`1386`	`2772`
`13`	`91`	`364`	`1092`
`15`	`120`	`540`
`17`	`153`
`19`

A116666 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`3`	`6`	`9`	`12`	`15`	`18`	`21`	`24`	`27`	`30`
		`5`	`15`	`30`	`50`	`75`	`105`	`140`	`180`	`225`
			`7`	`28`	`70`	`140`	`245`	`392`	`588`	`840`
				`9`	`45`	`135`	`315`	`630`	`1134`	`1890`
					`11`	`66`	`231`	`616`	`1386`	`2772`
						`13`	`91`	`364`	`1092`
							`15`	`120`	`540`
								`17`	`153`
									`19`

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Last modified May 18 16:58 EDT 2024. Contains 372664 sequences. (Running on oeis4.)