A319254 - OEIS

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A319254 as a triangular array

1

2 1

3 3 2

4 6 10 5

5 10 28 40 12

6 15 60 156 170 33

7 21 110 430 948 785 90

8 28 182 965 3396 6206 3770 261

9 36 280 1890 9376 28818 42504 18805 766

10 45 408 3360 21798 97775 256172 301548 96180 2312

A319254 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
`2`	`10`	`28`	`60`	`110`	`182`	`280`	`408`
`5`	`40`	`156`	`430`	`965`	`1890`	`3360`
`12`	`170`	`948`	`3396`	`9376`	`21798`
`33`	`785`	`6206`	`28818`	`97775`
`90`	`3770`	`42504`	`256172`
`261`	`18805`	`301548`
`766`	`96180`
`2312`

A319254 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
		`2`	`10`	`28`	`60`	`110`	`182`	`280`	`408`
			`5`	`40`	`156`	`430`	`965`	`1890`	`3360`
				`12`	`170`	`948`	`3396`	`9376`	`21798`
					`33`	`785`	`6206`	`28818`	`97775`
						`90`	`3770`	`42504`	`256172`
							`261`	`18805`	`301548`
								`766`	`96180`
									`2312`

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Last modified May 16 20:35 EDT 2024. Contains 372555 sequences. (Running on oeis4.)