A135589 - OEIS

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A135589 as a triangular array

1

0 1

0 0 2

0 0 2 4

0 0 1 9 10

0 0 0 12 36 26

0 0 0 10 76 140 76

0 0 0 6 116 420 540 232

0 0 0 3 138 915 2160 2142 764

0 0 0 1 136 1605 6230 10766 8624 2620

0 0 0 0 116 2372 14436 39130 53312 35856 9496

0 0 0 0

A135589 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`2`	`2`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`4`	`9`	`12`	`10`	`6`	`3`	`1`	`0`	`0`
`10`	`36`	`76`	`116`	`138`	`136`	`116`
`26`	`140`	`420`	`915`	`1605`	`2372`
`76`	`540`	`2160`	`6230`	`14436`
`232`	`2142`	`10766`	`39130`
`764`	`8624`	`53312`
`2620`	`35856`
`9496`

A135589 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`2`	`2`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
			`4`	`9`	`12`	`10`	`6`	`3`	`1`	`0`	`0`
				`10`	`36`	`76`	`116`	`138`	`136`	`116`
					`26`	`140`	`420`	`915`	`1605`	`2372`
						`76`	`540`	`2160`	`6230`	`14436`
							`232`	`2142`	`10766`	`39130`
								`764`	`8624`	`53312`
									`2620`	`35856`
										`9496`

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Last modified July 22 13:14 EDT 2024. Contains 374499 sequences. (Running on oeis4.)