A228218 - OEIS

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A228218 as a triangular array

5

9 15

13 49 31

17 103 199 63

21 177 625 665 127

25 271 1429 3151 2059 255

29 385 2731 9705 14053 6305 511

33 519 4651 23351 58141 58975 19171 1023

37 673 7309 47953 176851 320481 242461 58025 2047

41 847 10825

A228218 as a square array

`5`	`9`	`13`	`17`	`21`	`25`	`29`	`33`	`37`	`41`
`15`	`49`	`103`	`177`	`271`	`385`	`519`	`673`	`847`
`31`	`199`	`625`	`1429`	`2731`	`4651`	`7309`	`10825`
`63`	`665`	`3151`	`9705`	`23351`	`47953`
`127`	`2059`	`14053`	`58141`	`176851`
`255`	`6305`	`58975`	`320481`
`511`	`19171`	`242461`
`1023`	`58025`
`2047`

A228218 as an upper right triangle

`5`	`9`	`13`	`17`	`21`	`25`	`29`	`33`	`37`	`41`
	`15`	`49`	`103`	`177`	`271`	`385`	`519`	`673`	`847`
		`31`	`199`	`625`	`1429`	`2731`	`4651`	`7309`	`10825`
			`63`	`665`	`3151`	`9705`	`23351`	`47953`
				`127`	`2059`	`14053`	`58141`	`176851`
					`255`	`6305`	`58975`	`320481`
						`511`	`19171`	`242461`
							`1023`	`58025`
								`2047`

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)