A221216 - OEIS

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A221216 as a triangular array

1

5 6

4 3 2

12 13 14 15

11 10 9 8 7

23 24 25 26 27 28

22 21 20 19 18 17 16

38 39 40 41 42 43 44 45

37 36 35 34 33 32 31 30 29

57 58 59 60 61 62 63 64 65 66

56 55 54 53 52 51 50 49 48 47 46

80

A221216 as a square array

`1`	`5`	`4`	`12`	`11`	`23`	`22`	`38`	`37`	`57`	`56`	`80`
`6`	`3`	`13`	`10`	`24`	`21`	`39`	`36`	`58`	`55`
`2`	`14`	`9`	`25`	`20`	`40`	`35`	`59`	`54`
`15`	`8`	`26`	`19`	`41`	`34`	`60`	`53`
`7`	`27`	`18`	`42`	`33`	`61`	`52`
`28`	`17`	`43`	`32`	`62`	`51`
`16`	`44`	`31`	`63`	`50`
`45`	`30`	`64`	`49`
`29`	`65`	`48`
`66`	`47`
`46`

A221216 as an upper right triangle

`1`	`5`	`4`	`12`	`11`	`23`	`22`	`38`	`37`	`57`	`56`	`80`
	`6`	`3`	`13`	`10`	`24`	`21`	`39`	`36`	`58`	`55`
		`2`	`14`	`9`	`25`	`20`	`40`	`35`	`59`	`54`
			`15`	`8`	`26`	`19`	`41`	`34`	`60`	`53`
				`7`	`27`	`18`	`42`	`33`	`61`	`52`
					`28`	`17`	`43`	`32`	`62`	`51`
						`16`	`44`	`31`	`63`	`50`
							`45`	`30`	`64`	`49`
								`29`	`65`	`48`
									`66`	`47`
										`46`

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Last modified July 23 06:59 EDT 2024. Contains 374544 sequences. (Running on oeis4.)