A128282 - OEIS

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A128282 as a triangular array

1

2 2

3 4 3

5 6 6 5

7 8 9 8 7

10 11 12 12 11 10

13 14 15 16 15 14 13

17 18 19 20 20 19 18 17

21 22 23 24 25 24 23 22 21

26 27 28 29 30 30 29 28 27 26

31 32 33 34 35 36 35 34 33 32 31

37 38 39 40 41 42 42 41

A128282 as a square array

`1`	`2`	`3`	`5`	`7`	`10`	`13`	`17`	`21`	`26`	`31`	`37`
`2`	`4`	`6`	`8`	`11`	`14`	`18`	`22`	`27`	`32`	`38`
`3`	`6`	`9`	`12`	`15`	`19`	`23`	`28`	`33`	`39`
`5`	`8`	`12`	`16`	`20`	`24`	`29`	`34`	`40`
`7`	`11`	`15`	`20`	`25`	`30`	`35`	`41`
`10`	`14`	`19`	`24`	`30`	`36`	`42`
`13`	`18`	`23`	`29`	`35`	`42`
`17`	`22`	`28`	`34`	`41`
`21`	`27`	`33`
`26`	`32`
`31`

A128282 as an upper right triangle

`1`	`2`	`3`	`5`	`7`	`10`	`13`	`17`	`21`	`26`	`31`	`37`
	`2`	`4`	`6`	`8`	`11`	`14`	`18`	`22`	`27`	`32`	`38`
		`3`	`6`	`9`	`12`	`15`	`19`	`23`	`28`	`33`	`39`
			`5`	`8`	`12`	`16`	`20`	`24`	`29`	`34`	`40`
				`7`	`11`	`15`	`20`	`25`	`30`	`35`	`41`
					`10`	`14`	`19`	`24`	`30`	`36`	`42`
						`13`	`18`	`23`	`29`	`35`	`42`
							`17`	`22`	`28`	`34`	`41`
								`21`	`27`	`33`
									`26`	`32`
										`31`

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