A236843 - OEIS

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A236843 as a triangular array

1

1 1

2 3 1

5 9 4 1

14 28 14 6 1

42 90 48 27 7 1

132 297 165 110 35 9 1

429 1001 572 429 154 54 10 1

1430 3432 2002 1638 637 273 65 12 1

4862 11934 7072 6188 2548 1260 350 90 13 1

16796 41990 25194 23256 9996 5508 1700 544 104 15 1

A236843 as a square array

`1`	`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
`1`	`3`	`9`	`28`	`90`	`297`	`1001`	`3432`	`11934`	`41990`
`1`	`4`	`14`	`48`	`165`	`572`	`2002`	`7072`	`25194`
`1`	`6`	`27`	`110`	`429`	`1638`	`6188`	`23256`
`1`	`7`	`35`	`154`	`637`	`2548`	`9996`
`1`	`9`	`54`	`273`	`1260`	`5508`
`1`	`10`	`65`	`350`	`1700`
`1`	`12`	`90`	`544`
`1`	`13`	`104`
`1`	`15`
`1`

A236843 as an upper right triangle

`1`	`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
	`1`	`3`	`9`	`28`	`90`	`297`	`1001`	`3432`	`11934`	`41990`
		`1`	`4`	`14`	`48`	`165`	`572`	`2002`	`7072`	`25194`
			`1`	`6`	`27`	`110`	`429`	`1638`	`6188`	`23256`
				`1`	`7`	`35`	`154`	`637`	`2548`	`9996`
					`1`	`9`	`54`	`273`	`1260`	`5508`
						`1`	`10`	`65`	`350`	`1700`
							`1`	`12`	`90`	`544`
								`1`	`13`	`104`
									`1`	`15`
										`1`

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Last modified September 4 11:13 EDT 2024. Contains 375683 sequences. (Running on oeis4.)