A319539 - OEIS

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A319539 as a triangular array

1

2 1

3 3 1

4 6 6 2

5 10 18 18 3

6 15 40 75 54 6

7 21 75 215 333 183 11

8 28 126 495 1260 1620 636 23

9 36 196 987 3600 8010 8208 2316 46

10 45 288 1778 8568 28275 53240 43188 8610 98

11 55 405 2970 17934 80136 232500 366680 232947 32763 207

A319539 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
`1`	`6`	`18`	`40`	`75`	`126`	`196`	`288`	`405`
`2`	`18`	`75`	`215`	`495`	`987`	`1778`	`2970`
`3`	`54`	`333`	`1260`	`3600`	`8568`	`17934`
`6`	`183`	`1620`	`8010`	`28275`	`80136`
`11`	`636`	`8208`	`53240`	`232500`
`23`	`2316`	`43188`	`366680`
`46`	`8610`	`232947`
`98`	`32763`
`207`

A319539 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
		`1`	`6`	`18`	`40`	`75`	`126`	`196`	`288`	`405`
			`2`	`18`	`75`	`215`	`495`	`987`	`1778`	`2970`
				`3`	`54`	`333`	`1260`	`3600`	`8568`	`17934`
					`6`	`183`	`1620`	`8010`	`28275`	`80136`
						`11`	`636`	`8208`	`53240`	`232500`
							`23`	`2316`	`43188`	`366680`
								`46`	`8610`	`232947`
									`98`	`32763`
										`207`

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)