A183368 - OEIS

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A183368 as a triangular array

1

2 2

2 3 2

3 5 5 3

4 12 18 12 4

5 21 39 39 21 5

7 41 108 138 108 41 7

9 84 288 548 548 288 84 9

12 171 795 2129 3102 2129 795 171 12

16 355 2278 8311 17101 17101 8311 2278 355 16

21 732 6438 32933 95674 137688

A183368 as a square array

`1`	`2`	`2`	`3`	`4`	`5`	`7`	`9`	`12`	`16`	`21`
`2`	`3`	`5`	`12`	`21`	`41`	`84`	`171`	`355`	`732`
`2`	`5`	`18`	`39`	`108`	`288`	`795`	`2278`	`6438`
`3`	`12`	`39`	`138`	`548`	`2129`	`8311`	`32933`
`4`	`21`	`108`	`548`	`3102`	`17101`	`95674`
`5`	`41`	`288`	`2129`	`17101`	`137688`
`7`	`84`	`795`	`8311`
`9`	`171`	`2278`
`12`	`355`
`16`

A183368 as an upper right triangle

`1`	`2`	`2`	`3`	`4`	`5`	`7`	`9`	`12`	`16`	`21`
	`2`	`3`	`5`	`12`	`21`	`41`	`84`	`171`	`355`	`732`
		`2`	`5`	`18`	`39`	`108`	`288`	`795`	`2278`	`6438`
			`3`	`12`	`39`	`138`	`548`	`2129`	`8311`	`32933`
				`4`	`21`	`108`	`548`	`3102`	`17101`	`95674`
					`5`	`41`	`288`	`2129`	`17101`	`137688`
						`7`	`84`	`795`	`8311`
							`9`	`171`	`2278`
								`12`	`355`
									`16`

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)