A139821 - OEIS

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A139821 as a triangular array

1

1 2

2 2 3

3 5 3 4

5 8 9 4 5

8 15 15 14 5 6

13 26 31 24 20 6 7

21 46 57 54 35 27 7 8

34 80 108 104 85 48 35 8 9

55 139 199 209 170 125 63 44 9 10

89 240 366 404 360 258 175 80 54 10 11

A139821 as a square array

`1`	`1`	`2`	`3`	`5`	`8`	`13`	`21`	`34`	`55`	`89`
`2`	`2`	`5`	`8`	`15`	`26`	`46`	`80`	`139`	`240`
`3`	`3`	`9`	`15`	`31`	`57`	`108`	`199`	`366`
`4`	`4`	`14`	`24`	`54`	`104`	`209`	`404`
`5`	`5`	`20`	`35`	`85`	`170`	`360`
`6`	`6`	`27`	`48`	`125`	`258`
`7`	`7`	`35`	`63`	`175`
`8`	`8`	`44`	`80`
`9`	`9`	`54`
`10`	`10`
`11`

A139821 as an upper right triangle

`1`	`1`	`2`	`3`	`5`	`8`	`13`	`21`	`34`	`55`	`89`
	`2`	`2`	`5`	`8`	`15`	`26`	`46`	`80`	`139`	`240`
		`3`	`3`	`9`	`15`	`31`	`57`	`108`	`199`	`366`
			`4`	`4`	`14`	`24`	`54`	`104`	`209`	`404`
				`5`	`5`	`20`	`35`	`85`	`170`	`360`
					`6`	`6`	`27`	`48`	`125`	`258`
						`7`	`7`	`35`	`63`	`175`
							`8`	`8`	`44`	`80`
								`9`	`9`	`54`
									`10`	`10`
										`11`

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Last modified April 18 03:33 EDT 2024. Contains 371767 sequences. (Running on oeis4.)