A203291 - OEIS

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A203291 as a triangular array

2

3 3

4 6 4

5 12 10 5

6 21 28 15 6

7 35 69 57 21 7

8 54 154 188 104 28 8

9 80 310 544 444 176 36 9

10 113 580 1380 1614 944 280 45 10

11 155 1013 3172 5036 4206 1844 425 55 11

12 206 1680 6687 13934 15798 9880

A203291 as a square array

`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
`3`	`6`	`12`	`21`	`35`	`54`	`80`	`113`	`155`	`206`
`4`	`10`	`28`	`69`	`154`	`310`	`580`	`1013`	`1680`
`5`	`15`	`57`	`188`	`544`	`1380`	`3172`	`6687`
`6`	`21`	`104`	`444`	`1614`	`5036`	`13934`
`7`	`28`	`176`	`944`	`4206`	`15798`
`8`	`36`	`280`	`1844`	`9880`
`9`	`45`	`425`
`10`	`55`
`11`

A203291 as an upper right triangle

`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
	`3`	`6`	`12`	`21`	`35`	`54`	`80`	`113`	`155`	`206`
		`4`	`10`	`28`	`69`	`154`	`310`	`580`	`1013`	`1680`
			`5`	`15`	`57`	`188`	`544`	`1380`	`3172`	`6687`
				`6`	`21`	`104`	`444`	`1614`	`5036`	`13934`
					`7`	`28`	`176`	`944`	`4206`	`15798`
						`8`	`36`	`280`	`1844`	`9880`
							`9`	`45`	`425`
								`10`	`55`
									`11`

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Last modified April 25 09:13 EDT 2024. Contains 371967 sequences. (Running on oeis4.)