A183986 - OEIS

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A183986 as a triangular array

4

6 6

9 8 9

15 11 11 15

25 17 14 17 25

45 27 20 20 27 45

81 47 30 26 30 47 81

153 83 50 36 36 50 83 153

289 155 86 56 46 56 86 155 289

561 291 158 92 66 66 92 158 291 561

1089 563 294 164 102 86 102 164 294 563

A183986 as a square array

`4`	`6`	`9`	`15`	`25`	`45`	`81`	`153`	`289`	`561`	`1089`
`6`	`8`	`11`	`17`	`27`	`47`	`83`	`155`	`291`	`563`
`9`	`11`	`14`	`20`	`30`	`50`	`86`	`158`	`294`
`15`	`17`	`20`	`26`	`36`	`56`	`92`	`164`
`25`	`27`	`30`	`36`	`46`	`66`	`102`
`45`	`47`	`50`	`56`	`66`	`86`
`81`	`83`	`86`	`92`	`102`
`153`	`155`	`158`	`164`
`289`	`291`	`294`
`561`	`563`

A183986 as an upper right triangle

`4`	`6`	`9`	`15`	`25`	`45`	`81`	`153`	`289`	`561`	`1089`
	`6`	`8`	`11`	`17`	`27`	`47`	`83`	`155`	`291`	`563`
		`9`	`11`	`14`	`20`	`30`	`50`	`86`	`158`	`294`
			`15`	`17`	`20`	`26`	`36`	`56`	`92`	`164`
				`25`	`27`	`30`	`36`	`46`	`66`	`102`
					`45`	`47`	`50`	`56`	`66`	`86`
						`81`	`83`	`86`	`92`	`102`
							`153`	`155`	`158`	`164`
								`289`	`291`	`294`
									`561`	`563`

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Last modified April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)