A131875 - OEIS

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A131875 as a triangular array

1

5 4

12 5 7

22 6 8 10

35 7 9 11 13

51 8 10 12 14 16

70 9 11 13 15 17 19

92 10 12 14 16 18 20 22

117 11 13 15 17 19 21 23 25

145 12 14 16 18 20 22 24 26 28

A131875 as a square array

`1`	`5`	`12`	`22`	`35`	`51`	`70`	`92`	`117`	`145`
`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
`7`	`8`	`9`	`10`	`11`	`12`	`13`	`14`
`10`	`11`	`12`	`13`	`14`	`15`	`16`
`13`	`14`	`15`	`16`	`17`	`18`
`16`	`17`	`18`	`19`	`20`
`19`	`20`	`21`	`22`
`22`	`23`	`24`
`25`	`26`
`28`

A131875 as an upper right triangle

`1`	`5`	`12`	`22`	`35`	`51`	`70`	`92`	`117`	`145`
	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
		`7`	`8`	`9`	`10`	`11`	`12`	`13`	`14`
			`10`	`11`	`12`	`13`	`14`	`15`	`16`
				`13`	`14`	`15`	`16`	`17`	`18`
					`16`	`17`	`18`	`19`	`20`
						`19`	`20`	`21`	`22`
							`22`	`23`	`24`
								`25`	`26`
									`28`

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)