A081118 - OEIS

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A081118 as a triangular array

1

3 5

7 11 13

15 23 27 29

31 47 55 59 61

63 95 111 119 123 125

127 191 223 239 247 251 253

255 383 447 479 495 503 507 509

511 767 895 959 991 1007 1015 1019 1021

1023 1535 1791 1919 1983 2015 2031 2039 2043

A081118 as a square array

`1`	`3`	`7`	`15`	`31`	`63`	`127`	`255`	`511`	`1023`
`5`	`11`	`23`	`47`	`95`	`191`	`383`	`767`	`1535`
`13`	`27`	`55`	`111`	`223`	`447`	`895`	`1791`
`29`	`59`	`119`	`239`	`479`	`959`	`1919`
`61`	`123`	`247`	`495`	`991`	`1983`
`125`	`251`	`503`	`1007`	`2015`
`253`	`507`	`1015`	`2031`
`509`	`1019`	`2039`
`1021`	`2043`

A081118 as an upper right triangle

`1`	`3`	`7`	`15`	`31`	`63`	`127`	`255`	`511`	`1023`
	`5`	`11`	`23`	`47`	`95`	`191`	`383`	`767`	`1535`
		`13`	`27`	`55`	`111`	`223`	`447`	`895`	`1791`
			`29`	`59`	`119`	`239`	`479`	`959`	`1919`
				`61`	`123`	`247`	`495`	`991`	`1983`
					`125`	`251`	`503`	`1007`	`2015`
						`253`	`507`	`1015`	`2031`
							`509`	`1019`	`2039`
								`1021`	`2043`

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)