A355266 - OEIS

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A355266 as a triangular array

1

1 1

2 3 2

6 11 12 5

24 50 70 50 15

120 274 450 425 225 52

720 1764 3248 3675 2625 1092 203

5040 13068 26264 33845 29400 16744 5684 877

40320 109584 236248 336420 336735 235872 110838 31572 4140

A355266 as a square array

`1`	`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`
`1`	`3`	`11`	`50`	`274`	`1764`	`13068`	`109584`
`2`	`12`	`70`	`450`	`3248`	`26264`	`236248`
`5`	`50`	`425`	`3675`	`33845`	`336420`
`15`	`225`	`2625`	`29400`	`336735`
`52`	`1092`	`16744`	`235872`
`203`	`5684`	`110838`
`877`	`31572`
`4140`

A355266 as an upper right triangle

`1`	`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`
	`1`	`3`	`11`	`50`	`274`	`1764`	`13068`	`109584`
		`2`	`12`	`70`	`450`	`3248`	`26264`	`236248`
			`5`	`50`	`425`	`3675`	`33845`	`336420`
				`15`	`225`	`2625`	`29400`	`336735`
					`52`	`1092`	`16744`	`235872`
						`203`	`5684`	`110838`
							`877`	`31572`
								`4140`

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Last modified August 14 22:40 EDT 2024. Contains 375167 sequences. (Running on oeis4.)