A128899 - OEIS

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A128899 as a triangular array

1

0 1

0 2 1

0 5 4 1

0 14 14 6 1

0 42 48 27 8 1

0 132 165 110 44 10 1

0 429 572 429 208 65 12 1

0 1430 2002 1638 910 350 90 14 1

0 4862 7072 6188 3808 1700 544 119 16 1

0 16796 25194 23256 15504 7752 2907 798 152 18 1

A128899 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
`1`	`4`	`14`	`48`	`165`	`572`	`2002`	`7072`	`25194`
`1`	`6`	`27`	`110`	`429`	`1638`	`6188`	`23256`
`1`	`8`	`44`	`208`	`910`	`3808`	`15504`
`1`	`10`	`65`	`350`	`1700`	`7752`
`1`	`12`	`90`	`544`	`2907`
`1`	`14`	`119`	`798`
`1`	`16`	`152`
`1`	`18`
`1`

A128899 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
		`1`	`4`	`14`	`48`	`165`	`572`	`2002`	`7072`	`25194`
			`1`	`6`	`27`	`110`	`429`	`1638`	`6188`	`23256`
				`1`	`8`	`44`	`208`	`910`	`3808`	`15504`
					`1`	`10`	`65`	`350`	`1700`	`7752`
						`1`	`12`	`90`	`544`	`2907`
							`1`	`14`	`119`	`798`
								`1`	`16`	`152`
									`1`	`18`
										`1`

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Last modified May 21 22:16 EDT 2024. Contains 372741 sequences. (Running on oeis4.)