A293311 - OEIS

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A293311 as a triangular array

1

2 1

3 3 1

4 6 4 1

5 10 11 7 1

6 15 23 26 11 1

7 21 42 70 57 18 1

8 28 69 155 197 129 29 1

9 36 106 301 533 571 289 47 1

10 45 154 532 1223 1884 1640 650 76 1

11 55 215 876 2494 5103 6604 4726 1460 123 1

A293311 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`	`4`	`11`	`23`	`42`	`69`	`106`	`154`	`215`
`1`	`7`	`26`	`70`	`155`	`301`	`532`	`876`
`1`	`11`	`57`	`197`	`533`	`1223`	`2494`
`1`	`18`	`129`	`571`	`1884`	`5103`
`1`	`29`	`289`	`1640`	`6604`
`1`	`47`	`650`	`4726`
`1`	`76`	`1460`
`1`	`123`
`1`

A293311 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`	`4`	`11`	`23`	`42`	`69`	`106`	`154`	`215`
			`1`	`7`	`26`	`70`	`155`	`301`	`532`	`876`
				`1`	`11`	`57`	`197`	`533`	`1223`	`2494`
					`1`	`18`	`129`	`571`	`1884`	`5103`
						`1`	`29`	`289`	`1640`	`6604`
							`1`	`47`	`650`	`4726`
								`1`	`76`	`1460`
									`1`	`123`
										`1`

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Last modified April 26 18:09 EDT 2024. Contains 372004 sequences. (Running on oeis4.)