A219502 - OEIS

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A219502 as a triangular array

2

2 2

3 3 3

4 5 5 4

5 7 11 7 5

6 9 18 18 9 6

7 11 26 35 26 11 7

8 13 35 58 58 35 13 8

9 15 45 88 107 88 45 15 9

10 17 56 126 179 179 126 56 17 10

11 19 68 173 281 325 281 173 68 19 11

12 21 81 230 421 550 550 421

A219502 as a square array

`2`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
`2`	`3`	`5`	`7`	`9`	`11`	`13`	`15`	`17`	`19`	`21`
`3`	`5`	`11`	`18`	`26`	`35`	`45`	`56`	`68`	`81`
`4`	`7`	`18`	`35`	`58`	`88`	`126`	`173`	`230`
`5`	`9`	`26`	`58`	`107`	`179`	`281`	`421`
`6`	`11`	`35`	`88`	`179`	`325`	`550`
`7`	`13`	`45`	`126`	`281`	`550`
`8`	`15`	`56`	`173`	`421`
`9`	`17`	`68`
`10`	`19`
`11`

A219502 as an upper right triangle

`2`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
	`2`	`3`	`5`	`7`	`9`	`11`	`13`	`15`	`17`	`19`	`21`
		`3`	`5`	`11`	`18`	`26`	`35`	`45`	`56`	`68`	`81`
			`4`	`7`	`18`	`35`	`58`	`88`	`126`	`173`	`230`
				`5`	`9`	`26`	`58`	`107`	`179`	`281`	`421`
					`6`	`11`	`35`	`88`	`179`	`325`	`550`
						`7`	`13`	`45`	`126`	`281`	`550`
							`8`	`15`	`56`	`173`	`421`
								`9`	`17`	`68`
									`10`	`19`
										`11`

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