A185180 - OEIS

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A185180 as a triangular array

1

2 3

5 4 6

9 7 8 10

14 12 11 13 15

20 18 16 17 19 21

27 25 23 22 24 26 28

35 33 31 29 30 32 34 36

44 42 40 38 37 39 41 43 45

54 52 50 48 46 47 49 51 53 55

65 63 61 59 57 56 58 60 62 64 66

77 75

A185180 as a square array

`1`	`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`	`65`	`77`
`3`	`4`	`7`	`12`	`18`	`25`	`33`	`42`	`52`	`63`	`75`
`6`	`8`	`11`	`16`	`23`	`31`	`40`	`50`	`61`
`10`	`13`	`17`	`22`	`29`	`38`	`48`	`59`
`15`	`19`	`24`	`30`	`37`	`46`	`57`
`21`	`26`	`32`	`39`	`47`	`56`
`28`	`34`	`41`	`49`	`58`
`36`	`43`	`51`	`60`
`45`	`53`	`62`
`55`	`64`
`66`

A185180 as an upper right triangle

`1`	`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`	`65`	`77`
	`3`	`4`	`7`	`12`	`18`	`25`	`33`	`42`	`52`	`63`	`75`
		`6`	`8`	`11`	`16`	`23`	`31`	`40`	`50`	`61`
			`10`	`13`	`17`	`22`	`29`	`38`	`48`	`59`
				`15`	`19`	`24`	`30`	`37`	`46`	`57`
					`21`	`26`	`32`	`39`	`47`	`56`
						`28`	`34`	`41`	`49`	`58`
							`36`	`43`	`51`	`60`
								`45`	`53`	`62`
									`55`	`64`
										`66`

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Last modified August 12 06:37 EDT 2024. Contains 375085 sequences. (Running on oeis4.)