A266878 - OEIS

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A266878 as a triangular array

1

1 0

1 0 1

1 0 1 2

1 0 2 7 9

1 0 5 76 351 44

1 0 11 943 33529 19773 265

1 0 26 12549 4555903 22720474 1567330 1854

1 0 46 205452 763867475 36358021513 25455579224 166758092 14833

1 0 121 3751651 138332628493

A266878 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`2`	`5`	`11`	`26`	`46`	`121`
`2`	`7`	`76`	`943`	`12549`	`205452`	`3751651`
`9`	`351`	`33529`	`4555903`	`763867475`	`138332628493`
`44`	`19773`	`22720474`	`36358021513`
`265`	`1567330`	`25455579224`
`1854`	`166758092`
`14833`

A266878 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`1`	`1`	`2`	`5`	`11`	`26`	`46`	`121`
			`2`	`7`	`76`	`943`	`12549`	`205452`	`3751651`
				`9`	`351`	`33529`	`4555903`	`763867475`	`138332628493`
					`44`	`19773`	`22720474`	`36358021513`
						`265`	`1567330`	`25455579224`
							`1854`	`166758092`
								`14833`

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Last modified July 25 12:21 EDT 2024. Contains 374588 sequences. (Running on oeis4.)