A137440 - OEIS

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A137440 as a triangular array

2

3 7

5 17 67

7 29 107 421

11 41 157 599 2153

13 53 199 769 2791 9857

17 67 257 967 3469 12203 41851

19 79 311 1151 4129 14537 49697 167623

23 97 367 1327 4817 16871 57571 193957 645581

29 107 421 1549 5521

A137440 as a square array

`2`	`3`	`5`	`7`	`11`	`13`	`17`	`19`	`23`	`29`
`7`	`17`	`29`	`41`	`53`	`67`	`79`	`97`	`107`
`67`	`107`	`157`	`199`	`257`	`311`	`367`	`421`
`421`	`599`	`769`	`967`	`1151`	`1327`	`1549`
`2153`	`2791`	`3469`	`4129`	`4817`	`5521`
`9857`	`12203`	`14537`	`16871`
`41851`	`49697`	`57571`
`167623`	`193957`
`645581`

A137440 as an upper right triangle

`2`	`3`	`5`	`7`	`11`	`13`	`17`	`19`	`23`	`29`
	`7`	`17`	`29`	`41`	`53`	`67`	`79`	`97`	`107`
		`67`	`107`	`157`	`199`	`257`	`311`	`367`	`421`
			`421`	`599`	`769`	`967`	`1151`	`1327`	`1549`
				`2153`	`2791`	`3469`	`4129`	`4817`	`5521`
					`9857`	`12203`	`14537`	`16871`
						`41851`	`49697`	`57571`
							`167623`	`193957`
								`645581`

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Last modified April 25 13:02 EDT 2024. Contains 371969 sequences. (Running on oeis4.)