A280849 - OEIS

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A280849 as a triangular array

1

2 3

4 5 21

6 7 27 75

8 9 33 135 105

12 10 39 147 189 315

16 11 45 165 225 525 495

20 13 51 171 297 675 585 945

24 14 55 175 351 693 765 1155 1575

28 15 57 195 385 735 855 1365 2475 2835

32 17 63 207 405 819 1071 1485 2625

A280849 as a square array

`1`	`2`	`4`	`6`	`8`	`12`	`16`	`20`	`24`	`28`	`32`
`3`	`5`	`7`	`9`	`10`	`11`	`13`	`14`	`15`	`17`
`21`	`27`	`33`	`39`	`45`	`51`	`55`	`57`	`63`
`75`	`135`	`147`	`165`	`171`	`175`	`195`	`207`
`105`	`189`	`225`	`297`	`351`	`385`	`405`
`315`	`525`	`675`	`693`	`735`	`819`
`495`	`585`	`765`	`855`	`1071`
`945`	`1155`	`1365`	`1485`
`1575`	`2475`	`2625`
`2835`

A280849 as an upper right triangle

`1`	`2`	`4`	`6`	`8`	`12`	`16`	`20`	`24`	`28`	`32`
	`3`	`5`	`7`	`9`	`10`	`11`	`13`	`14`	`15`	`17`
		`21`	`27`	`33`	`39`	`45`	`51`	`55`	`57`	`63`
			`75`	`135`	`147`	`165`	`171`	`175`	`195`	`207`
				`105`	`189`	`225`	`297`	`351`	`385`	`405`
					`315`	`525`	`675`	`693`	`735`	`819`
						`495`	`585`	`765`	`855`	`1071`
							`945`	`1155`	`1365`	`1485`
								`1575`	`2475`	`2625`
									`2835`

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Last modified May 14 05:12 EDT 2024. Contains 372528 sequences. (Running on oeis4.)